#include "misc.h"
#include "setup.h"
-#define ENABLE_UNUSED_CODE 0 /* currently unused functions */
+#define ENABLE_UNUSED_CODE 0 // currently unused functions
+#define DEBUG_JOYSTICKS 0
-/* ========================================================================= */
-/* video functions */
-/* ========================================================================= */
-/* SDL internal variables */
+// ============================================================================
+// video functions
+// ============================================================================
+
+// SDL internal variables
#if defined(TARGET_SDL2)
static SDL_Window *sdl_window = NULL;
static SDL_Renderer *sdl_renderer = NULL;
static boolean limit_screen_updates = FALSE;
-/* functions from SGE library */
+// functions from SGE library
void sge_Line(SDL_Surface *, Sint16, Sint16, Sint16, Sint16, Uint32);
#if defined(USE_TOUCH_INPUT_OVERLAY)
-/* functions to draw overlay graphics for touch device input */
+// functions to draw overlay graphics for touch device input
static void DrawTouchInputOverlay();
#endif
// copy global animations to render target buffer, if defined (above border)
if (gfx.draw_global_anim_function != NULL)
gfx.draw_global_anim_function(draw_target, DRAW_GLOBAL_ANIM_STAGE_2);
+
+ // copy tile selection cursor to render target buffer, if defined (above all)
+ if (gfx.draw_tile_cursor_function != NULL)
+ gfx.draw_tile_cursor_function(draw_target);
}
static void UpdateScreenExt(SDL_Rect *rect, boolean with_frame_delay)
{
static unsigned int update_screen_delay = 0;
- unsigned int update_screen_delay_value = 50; /* (milliseconds) */
+ unsigned int update_screen_delay_value = 50; // (milliseconds)
SDL_Surface *screen = backbuffer->surface;
if (limit_screen_updates &&
UpdateScreenExt(rect, FALSE);
}
+void Delay_WithScreenUpdates(unsigned int delay)
+{
+ unsigned int time_current = SDL_GetTicks();
+ unsigned int time_delayed = time_current + delay;
+
+ while (time_current < time_delayed)
+ {
+ // updating the screen contains waiting for frame delay (non-busy)
+ UpdateScreen_WithFrameDelay(NULL);
+
+ time_current = SDL_GetTicks();
+ }
+}
+
static void SDLSetWindowIcon(char *basename)
{
/* (setting the window icon on Mac OS X would replace the high-quality
return;
}
- /* set transparent color */
+ // set transparent color
SDL_SetColorKey(surface, SET_TRANSPARENT_PIXEL,
SDL_MapRGB(surface->format, 0x00, 0x00, 0x00));
SDL_putenv("SDL_VIDEO_CENTERED=1");
#endif
- /* initialize SDL video */
+ // initialize SDL video
if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
Error(ERR_EXIT, "SDL_InitSubSystem() failed: %s", SDL_GetError());
- /* set default SDL depth */
+ // set default SDL depth
#if !defined(TARGET_SDL2)
video.default_depth = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
#else
#endif
}
-inline static void SDLInitVideoBuffer_VideoBuffer(boolean fullscreen)
+static void SDLInitVideoBuffer_VideoBuffer(boolean fullscreen)
{
if (program.headless)
return;
video.fullscreen_available = FALSE;
#endif
- /* open SDL video output device (window or fullscreen mode) */
+ // open SDL video output device (window or fullscreen mode)
if (!SDLSetVideoMode(fullscreen))
Error(ERR_EXIT, "setting video mode failed");
- /* !!! SDL2 can only set the window icon if the window already exists !!! */
- /* set window icon */
+ // !!! SDL2 can only set the window icon if the window already exists !!!
+ // set window icon
SDLSetWindowIcon(program.icon_filename);
- /* set window and icon title */
-#if defined(TARGET_SDL2)
- SDL_SetWindowTitle(sdl_window, program.window_title);
-#else
- SDL_WM_SetCaption(program.window_title, program.window_title);
-#endif
+ // set window and icon title
+ SDLSetWindowTitle();
}
-inline static void SDLInitVideoBuffer_DrawBuffer()
+static void SDLInitVideoBuffer_DrawBuffer(void)
{
/* SDL cannot directly draw to the visible video framebuffer like X11,
but always uses a backbuffer, which is then blitted to the visible
buffer 'window' at the same size as the SDL backbuffer. Although it
should never be drawn to directly, it would do no harm nevertheless. */
- /* create additional (symbolic) buffer for double-buffering */
+ // create additional (symbolic) buffer for double-buffering
ReCreateBitmap(&window, video.width, video.height);
- /* create dummy drawing buffer for headless mode, if needed */
+ // create dummy drawing buffer for headless mode, if needed
if (program.headless)
ReCreateBitmap(&backbuffer, video.width, video.height);
}
// SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, setup.window_scaling_quality);
+ SDLSetScreenVsyncMode(setup.vsync_mode);
+
sdl_texture_stream = SDL_CreateTexture(sdl_renderer,
SDL_PIXELFORMAT_ARGB8888,
SDL_TEXTUREACCESS_STREAMING,
if (fullscreen && !video.fullscreen_enabled && video.fullscreen_available)
{
- /* switch display to fullscreen mode, if available */
+ // switch display to fullscreen mode, if available
success = SDLCreateScreen(TRUE);
if (!success)
{
- /* switching display to fullscreen mode failed -- do not try it again */
+ // switching display to fullscreen mode failed -- do not try it again
video.fullscreen_available = FALSE;
}
else
if ((!fullscreen && video.fullscreen_enabled) || !success)
{
- /* switch display to window mode */
+ // switch display to window mode
success = SDLCreateScreen(FALSE);
if (!success)
{
- /* switching display to window mode failed -- should not happen */
+ // switching display to window mode failed -- should not happen
}
else
{
return success;
}
-void SDLSetWindowTitle()
+void SDLSetWindowTitle(void)
{
#if defined(TARGET_SDL2)
+ if (sdl_window == NULL)
+ return;
+
SDL_SetWindowTitle(sdl_window, program.window_title);
#else
SDL_WM_SetCaption(program.window_title, program.window_title);
}
}
-void SDLSetDisplaySize()
+void SDLSetDisplaySize(void)
{
SDL_Rect display_bounds;
SDL_RenderSetLogicalSize(sdl_renderer, width, height);
}
-void SDLSetScreenProperties()
+void SDLSetScreenProperties(void)
{
SDLSetScreenSizeAndOffsets(video.width, video.height);
SDLSetScreenSizeForRenderer(video.screen_width, video.screen_height);
#endif
}
-void SDLRedrawWindow()
+void SDLSetScreenVsyncMode(char *vsync_mode)
+{
+#if defined(TARGET_SDL2)
+ int interval =
+ (strEqual(vsync_mode, STR_VSYNC_MODE_NORMAL) ? VSYNC_MODE_NORMAL :
+ strEqual(vsync_mode, STR_VSYNC_MODE_ADAPTIVE) ? VSYNC_MODE_ADAPTIVE :
+ VSYNC_MODE_OFF);
+ int result = SDL_GL_SetSwapInterval(interval);
+
+ // if adaptive vsync requested, but not supported, retry with normal vsync
+ if (result == -1 && interval == VSYNC_MODE_ADAPTIVE)
+ SDL_GL_SetSwapInterval(VSYNC_MODE_NORMAL);
+#endif
+}
+
+void SDLRedrawWindow(void)
{
UpdateScreen_WithoutFrameDelay(NULL);
}
dst_rect.x = dst_x;
dst_rect.y = dst_y;
- dst_rect.w = width; /* (ignored) */
- dst_rect.h = height; /* (ignored) */
+ dst_rect.w = width; // (ignored)
+ dst_rect.h = height; // (ignored)
dst_rect2 = dst_rect;
if (fade_mode & (FADE_TYPE_FADE_IN | FADE_TYPE_TRANSFORM))
SDL_BlitSurface(surface_screen, &dst_rect, surface_backup, &src_rect);
- /* copy source and target surfaces to temporary surfaces for fading */
+ // copy source and target surfaces to temporary surfaces for fading
if (fade_mode & FADE_TYPE_TRANSFORM)
{
// (source and target fading buffer already prepared)
// (target fading buffer already prepared)
SDL_BlitSurface(surface_black, &src_rect, surface_source, &src_rect);
}
- else /* FADE_TYPE_FADE_OUT */
+ else // FADE_TYPE_FADE_OUT
{
// (source fading buffer already prepared)
SDL_BlitSurface(surface_black, &src_rect, surface_target, &src_rect);
SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect);
- SDLSetAlpha(surface_target, FALSE, 0); /* disable alpha blending */
+ SDLSetAlpha(surface_target, FALSE, 0); // disable alpha blending
ypos[0] = -GetSimpleRandom(16);
for (i = 1 ; i < melt_columns; i++)
{
- int r = GetSimpleRandom(3) - 1; /* randomly choose from { -1, 0, -1 } */
+ int r = GetSimpleRandom(3) - 1; // randomly choose from { -1, 0, -1 }
ypos[i] = ypos[i - 1] + r;
if (ypos[i] + dy >= height)
dy = height - ypos[i];
- /* copy part of (appearing) target surface to upper area */
+ // copy part of (appearing) target surface to upper area
src_rect.x = src_x + i * melt_pixels;
// src_rect.y = src_y + ypos[i];
src_rect.y = src_y;
ypos[i] += dy;
- /* copy part of (disappearing) source surface to lower area */
+ // copy part of (disappearing) source surface to lower area
src_rect.x = src_x + i * melt_pixels;
src_rect.y = src_y;
src_rect.w = melt_pixels;
SDL_BlitSurface(surface_target, &src_rect, surface_screen, &dst_rect);
- SDLSetAlpha(surface_source, FALSE, 0); /* disable alpha blending */
+ SDLSetAlpha(surface_source, FALSE, 0); // disable alpha blending
for (xx = 0; xx < xx_size;)
{
dst_rect.x = dst_x;
dst_rect.y = dst_y;
- /* draw new (target) image to screen buffer */
+ // draw new (target) image to screen buffer
SDL_BlitSurface(surface_target, &src_rect, surface_screen, &dst_rect);
if (xx_final < xx_size)
src_rect.w = xx_size - xx_final;
src_rect.h = height;
- /* draw old (source) image to screen buffer (left side) */
+ // draw old (source) image to screen buffer (left side)
src_rect.x = src_x + xx_final;
dst_rect.x = dst_x;
SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect);
- /* draw old (source) image to screen buffer (right side) */
+ // draw old (source) image to screen buffer (right side)
src_rect.x = src_x + xx_size;
dst_rect.x = dst_x + xx_size + xx_final;
if (draw_border_function != NULL)
draw_border_function();
- /* only update the region of the screen that is affected from fading */
+ // only update the region of the screen that is affected from fading
UpdateScreen_WithFrameDelay(&dst_rect2);
}
}
- else /* fading in, fading out or cross-fading */
+ else // fading in, fading out or cross-fading
{
float alpha;
int alpha_final;
alpha += 255 * ((float)(time_current - time_last) / fade_delay);
alpha_final = MIN(MAX(0, alpha), 255);
- /* draw existing (source) image to screen buffer */
+ // draw existing (source) image to screen buffer
SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect);
- /* draw new (target) image to screen buffer using alpha blending */
+ // draw new (target) image to screen buffer using alpha blending
SDLSetAlpha(surface_target, TRUE, alpha_final);
SDL_BlitSurface(surface_target, &src_rect, surface_screen, &dst_rect);
if (draw_border_function != NULL)
draw_border_function();
- /* only update the region of the screen that is affected from fading */
+ // only update the region of the screen that is affected from fading
UpdateScreen_WithFrameDelay(&dst_rect);
}
}
if (post_delay > 0)
- {
- unsigned int time_post_delay;
-
- time_current = SDL_GetTicks();
- time_post_delay = time_current + post_delay;
-
- while (time_current < time_post_delay)
- {
- // updating the screen contains waiting for frame delay (non-busy)
- UpdateScreen_WithFrameDelay(NULL);
-
- time_current = SDL_GetTicks();
- }
- }
+ Delay_WithScreenUpdates(post_delay);
// restore function for drawing global masked border
gfx.draw_global_border_function = draw_global_border_function;
switch (surface->format->BytesPerPixel)
{
- case 1: /* assuming 8-bpp */
+ case 1: // assuming 8-bpp
{
return *((Uint8 *)surface->pixels + y * surface->pitch + x);
}
break;
- case 2: /* probably 15-bpp or 16-bpp */
+ case 2: // probably 15-bpp or 16-bpp
{
return *((Uint16 *)surface->pixels + y * surface->pitch / 2 + x);
}
break;
- case 3: /* slow 24-bpp mode; usually not used */
+ case 3: // slow 24-bpp mode; usually not used
{
- /* does this work? */
+ // does this work?
Uint8 *pix = (Uint8 *)surface->pixels + y * surface->pitch + x * 3;
Uint32 color = 0;
int shift;
}
break;
- case 4: /* probably 32-bpp */
+ case 4: // probably 32-bpp
{
return *((Uint32 *)surface->pixels + y * surface->pitch / 4 + x);
}
}
-/* ========================================================================= */
-/* The following functions were taken from the SGE library */
-/* (SDL Graphics Extension Library) by Anders Lindström */
-/* http://www.etek.chalmers.se/~e8cal1/sge/index.html */
-/* ========================================================================= */
+// ============================================================================
+// The following functions were taken from the SGE library
+// (SDL Graphics Extension Library) by Anders Lindström
+// http://www.etek.chalmers.se/~e8cal1/sge/index.html
+// ============================================================================
-void _PutPixel(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
+static void _PutPixel(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
{
if (x >= 0 && x <= surface->w - 1 && y >= 0 && y <= surface->h - 1)
{
{
case 1:
{
- /* Assuming 8-bpp */
+ // Assuming 8-bpp
*((Uint8 *)surface->pixels + y*surface->pitch + x) = color;
}
break;
case 2:
{
- /* Probably 15-bpp or 16-bpp */
+ // Probably 15-bpp or 16-bpp
*((Uint16 *)surface->pixels + y*surface->pitch/2 + x) = color;
}
break;
case 3:
{
- /* Slow 24-bpp mode, usually not used */
+ // Slow 24-bpp mode, usually not used
Uint8 *pix;
int shift;
- /* Gack - slow, but endian correct */
+ // Gack - slow, but endian correct
pix = (Uint8 *)surface->pixels + y * surface->pitch + x*3;
shift = surface->format->Rshift;
*(pix+shift/8) = color>>shift;
case 4:
{
- /* Probably 32-bpp */
+ // Probably 32-bpp
*((Uint32 *)surface->pixels + y*surface->pitch/4 + x) = color;
}
break;
}
}
-void _PutPixelRGB(SDL_Surface *surface, Sint16 x, Sint16 y,
- Uint8 R, Uint8 G, Uint8 B)
+#if 0
+static void _PutPixelRGB(SDL_Surface *surface, Sint16 x, Sint16 y,
+ Uint8 R, Uint8 G, Uint8 B)
{
_PutPixel(surface, x, y, SDL_MapRGB(surface->format, R, G, B));
}
-void _PutPixel8(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
+static void _PutPixel8(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
{
*((Uint8 *)surface->pixels + y*surface->pitch + x) = color;
}
-void _PutPixel16(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
+static void _PutPixel16(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
{
*((Uint16 *)surface->pixels + y*surface->pitch/2 + x) = color;
}
-void _PutPixel24(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
+static void _PutPixel24(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
{
Uint8 *pix;
int shift;
- /* Gack - slow, but endian correct */
+ // Gack - slow, but endian correct
pix = (Uint8 *)surface->pixels + y * surface->pitch + x*3;
shift = surface->format->Rshift;
*(pix+shift/8) = color>>shift;
*(pix+shift/8) = color>>shift;
}
-void _PutPixel32(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
+static void _PutPixel32(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
{
*((Uint32 *)surface->pixels + y*surface->pitch/4 + x) = color;
}
-void _PutPixelX(SDL_Surface *dest,Sint16 x,Sint16 y,Uint32 color)
+static void _PutPixelX(SDL_Surface *dest,Sint16 x,Sint16 y,Uint32 color)
{
switch (dest->format->BytesPerPixel)
{
break;
}
}
+#endif
-void sge_PutPixel(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
+static void sge_PutPixel(SDL_Surface *surface, Sint16 x, Sint16 y, Uint32 color)
{
if (SDL_MUSTLOCK(surface))
{
}
}
-void sge_PutPixelRGB(SDL_Surface *surface, Sint16 x, Sint16 y,
- Uint8 r, Uint8 g, Uint8 b)
+#if 0
+static void sge_PutPixelRGB(SDL_Surface *surface, Sint16 x, Sint16 y,
+ Uint8 r, Uint8 g, Uint8 b)
{
sge_PutPixel(surface, x, y, SDL_MapRGB(surface->format, r, g, b));
}
-Sint32 sge_CalcYPitch(SDL_Surface *dest, Sint16 y)
+static Sint32 sge_CalcYPitch(SDL_Surface *dest, Sint16 y)
{
if (y >= 0 && y <= dest->h - 1)
{
return -1;
}
-void sge_pPutPixel(SDL_Surface *surface, Sint16 x, Sint32 ypitch, Uint32 color)
+static void sge_pPutPixel(SDL_Surface *surface, Sint16 x, Sint32 ypitch,
+ Uint32 color)
{
if (x >= 0 && x <= surface->w - 1 && ypitch >= 0)
{
{
case 1:
{
- /* Assuming 8-bpp */
+ // Assuming 8-bpp
*((Uint8 *)surface->pixels + ypitch + x) = color;
}
break;
case 2:
{
- /* Probably 15-bpp or 16-bpp */
+ // Probably 15-bpp or 16-bpp
*((Uint16 *)surface->pixels + ypitch + x) = color;
}
break;
case 3:
{
- /* Slow 24-bpp mode, usually not used */
+ // Slow 24-bpp mode, usually not used
Uint8 *pix;
int shift;
- /* Gack - slow, but endian correct */
+ // Gack - slow, but endian correct
pix = (Uint8 *)surface->pixels + ypitch + x*3;
shift = surface->format->Rshift;
*(pix+shift/8) = color>>shift;
case 4:
{
- /* Probably 32-bpp */
+ // Probably 32-bpp
*((Uint32 *)surface->pixels + ypitch + x) = color;
}
break;
}
}
-void sge_HLine(SDL_Surface *Surface, Sint16 x1, Sint16 x2, Sint16 y,
- Uint32 Color)
+static void sge_HLine(SDL_Surface *Surface, Sint16 x1, Sint16 x2, Sint16 y,
+ Uint32 Color)
{
SDL_Rect l;
x2 = tmp;
}
- /* Do the clipping */
+ // Do the clipping
if (y < 0 || y > Surface->h - 1 || x1 > Surface->w - 1 || x2 < 0)
return;
if (x1 < 0)
}
}
-void sge_HLineRGB(SDL_Surface *Surface, Sint16 x1, Sint16 x2, Sint16 y,
- Uint8 R, Uint8 G, Uint8 B)
+static void sge_HLineRGB(SDL_Surface *Surface, Sint16 x1, Sint16 x2, Sint16 y,
+ Uint8 R, Uint8 G, Uint8 B)
{
sge_HLine(Surface, x1, x2, y, SDL_MapRGB(Surface->format, R, G, B));
}
-void _HLine(SDL_Surface *Surface, Sint16 x1, Sint16 x2, Sint16 y, Uint32 Color)
+static void _HLine(SDL_Surface *Surface, Sint16 x1, Sint16 x2, Sint16 y,
+ Uint32 Color)
{
SDL_Rect l;
x2 = tmp;
}
- /* Do the clipping */
+ // Do the clipping
if (y < 0 || y > Surface->h - 1 || x1 > Surface->w - 1 || x2 < 0)
return;
if (x1 < 0)
SDL_FillRect(Surface, &l, Color);
}
-void sge_VLine(SDL_Surface *Surface, Sint16 x, Sint16 y1, Sint16 y2,
- Uint32 Color)
+static void sge_VLine(SDL_Surface *Surface, Sint16 x, Sint16 y1, Sint16 y2,
+ Uint32 Color)
{
SDL_Rect l;
y2 = tmp;
}
- /* Do the clipping */
+ // Do the clipping
if (x < 0 || x > Surface->w - 1 || y1 > Surface->h - 1 || y2 < 0)
return;
if (y1 < 0)
}
}
-void sge_VLineRGB(SDL_Surface *Surface, Sint16 x, Sint16 y1, Sint16 y2,
- Uint8 R, Uint8 G, Uint8 B)
+static void sge_VLineRGB(SDL_Surface *Surface, Sint16 x, Sint16 y1, Sint16 y2,
+ Uint8 R, Uint8 G, Uint8 B)
{
sge_VLine(Surface, x, y1, y2, SDL_MapRGB(Surface->format, R, G, B));
}
-void _VLine(SDL_Surface *Surface, Sint16 x, Sint16 y1, Sint16 y2, Uint32 Color)
+static void _VLine(SDL_Surface *Surface, Sint16 x, Sint16 y1, Sint16 y2,
+ Uint32 Color)
{
SDL_Rect l;
y2 = tmp;
}
- /* Do the clipping */
+ // Do the clipping
if (x < 0 || x > Surface->w - 1 || y1 > Surface->h - 1 || y2 < 0)
return;
if (y1 < 0)
SDL_FillRect(Surface, &l, Color);
}
+#endif
-void sge_DoLine(SDL_Surface *Surface, Sint16 x1, Sint16 y1,
- Sint16 x2, Sint16 y2, Uint32 Color,
- void Callback(SDL_Surface *Surf, Sint16 X, Sint16 Y,
- Uint32 Color))
+static void sge_DoLine(SDL_Surface *Surface, Sint16 x1, Sint16 y1,
+ Sint16 x2, Sint16 y2, Uint32 Color,
+ void Callback(SDL_Surface *Surf, Sint16 X, Sint16 Y,
+ Uint32 Color))
{
Sint16 dx, dy, sdx, sdy, x, y, px, py;
}
}
-void sge_DoLineRGB(SDL_Surface *Surface, Sint16 X1, Sint16 Y1,
- Sint16 X2, Sint16 Y2, Uint8 R, Uint8 G, Uint8 B,
- void Callback(SDL_Surface *Surf, Sint16 X, Sint16 Y,
- Uint32 Color))
+#if 0
+static void sge_DoLineRGB(SDL_Surface *Surface, Sint16 X1, Sint16 Y1,
+ Sint16 X2, Sint16 Y2, Uint8 R, Uint8 G, Uint8 B,
+ void Callback(SDL_Surface *Surf, Sint16 X, Sint16 Y,
+ Uint32 Color))
{
sge_DoLine(Surface, X1, Y1, X2, Y2,
SDL_MapRGB(Surface->format, R, G, B), Callback);
}
+#endif
void sge_Line(SDL_Surface *Surface, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2,
Uint32 Color)
return;
}
- /* Draw the line */
+ // Draw the line
sge_DoLine(Surface, x1, y1, x2, y2, Color, _PutPixel);
- /* unlock the display */
+ // unlock the display
if (SDL_MUSTLOCK(Surface))
{
SDL_UnlockSurface(Surface);
}
}
-void sge_LineRGB(SDL_Surface *Surface, Sint16 x1, Sint16 y1, Sint16 x2,
- Sint16 y2, Uint8 R, Uint8 G, Uint8 B)
+#if 0
+static void sge_LineRGB(SDL_Surface *Surface, Sint16 x1, Sint16 y1, Sint16 x2,
+ Sint16 y2, Uint8 R, Uint8 G, Uint8 B)
{
sge_Line(Surface, x1, y1, x2, y2, SDL_MapRGB(Surface->format, R, G, B));
}
+#endif
void SDLPutPixel(Bitmap *dst_bitmap, int x, int y, Pixel pixel)
{
}
-/* ========================================================================= */
-/* The following functions were taken from the SDL_gfx library version 2.0.3 */
-/* (Rotozoomer) by Andreas Schiffler */
-/* http://www.ferzkopp.net/Software/SDL_gfx-2.0/index.html */
-/* ========================================================================= */
+// ============================================================================
+// The following functions were taken from the SDL_gfx library version 2.0.3
+// (Rotozoomer) by Andreas Schiffler
+// http://www.ferzkopp.net/Software/SDL_gfx-2.0/index.html
+// ============================================================================
/*
-----------------------------------------------------------------------------
Uint8 a;
} tColorRGBA;
-int zoomSurfaceRGBA_scaleDownBy2(SDL_Surface *src, SDL_Surface *dst)
+static int zoomSurfaceRGBA_scaleDownBy2(SDL_Surface *src, SDL_Surface *dst)
{
int x, y;
tColorRGBA *sp, *csp, *dp;
int dgap;
- /* pointer setup */
+ // pointer setup
sp = csp = (tColorRGBA *) src->pixels;
dp = (tColorRGBA *) dst->pixels;
dgap = dst->pitch - dst->w * 4;
tColorRGBA *sp11 = &sp1[1];
tColorRGBA new;
- /* create new color pixel from all four source color pixels */
+ // create new color pixel from all four source color pixels
new.r = (sp00->r + sp01->r + sp10->r + sp11->r) / 4;
new.g = (sp00->g + sp01->g + sp10->g + sp11->g) / 4;
new.b = (sp00->b + sp01->b + sp10->b + sp11->b) / 4;
new.a = (sp00->a + sp01->a + sp10->a + sp11->a) / 4;
- /* draw */
+ // draw
*dp = new;
- /* advance source pointers */
+ // advance source pointers
sp += 2;
- /* advance destination pointer */
+ // advance destination pointer
dp++;
}
- /* advance source pointer */
+ // advance source pointer
csp = (tColorRGBA *) ((Uint8 *) csp + 2 * src->pitch);
- /* advance destination pointers */
+ // advance destination pointers
dp = (tColorRGBA *) ((Uint8 *) dp + dgap);
}
return 0;
}
-int zoomSurfaceRGBA(SDL_Surface *src, SDL_Surface *dst)
+static int zoomSurfaceRGBA(SDL_Surface *src, SDL_Surface *dst)
{
int x, y, *sax, *say, *csax, *csay;
float sx, sy;
tColorRGBA *sp, *csp, *csp0, *dp;
int dgap;
- /* use specialized zoom function when scaling down to exactly half size */
+ // use specialized zoom function when scaling down to exactly half size
if (src->w == 2 * dst->w &&
src->h == 2 * dst->h)
return zoomSurfaceRGBA_scaleDownBy2(src, dst);
- /* variable setup */
+ // variable setup
sx = (float) src->w / (float) dst->w;
sy = (float) src->h / (float) dst->h;
- /* allocate memory for row increments */
+ // allocate memory for row increments
csax = sax = (int *)checked_malloc((dst->w + 1) * sizeof(Uint32));
csay = say = (int *)checked_malloc((dst->h + 1) * sizeof(Uint32));
- /* precalculate row increments */
+ // precalculate row increments
for (x = 0; x <= dst->w; x++)
*csax++ = (int)(sx * x);
for (y = 0; y <= dst->h; y++)
*csay++ = (int)(sy * y);
- /* pointer setup */
+ // pointer setup
sp = csp = csp0 = (tColorRGBA *) src->pixels;
dp = (tColorRGBA *) dst->pixels;
dgap = dst->pitch - dst->w * 4;
for (x = 0; x < dst->w; x++)
{
- /* draw */
+ // draw
*dp = *sp;
- /* advance source pointers */
+ // advance source pointers
csax++;
sp = csp + *csax;
- /* advance destination pointer */
+ // advance destination pointer
dp++;
}
- /* advance source pointer */
+ // advance source pointer
csay++;
csp = (tColorRGBA *) ((Uint8 *) csp0 + *csay * src->pitch);
- /* advance destination pointers */
+ // advance destination pointers
dp = (tColorRGBA *) ((Uint8 *) dp + dgap);
}
-----------------------------------------------------------------------------
*/
-int zoomSurfaceY(SDL_Surface * src, SDL_Surface * dst)
+static int zoomSurfaceY(SDL_Surface * src, SDL_Surface * dst)
{
Uint32 x, y, sx, sy, *sax, *say, *csax, *csay, csx, csy;
Uint8 *sp, *dp, *csp;
int dgap;
- /* variable setup */
+ // variable setup
sx = (Uint32) (65536.0 * (float) src->w / (float) dst->w);
sy = (Uint32) (65536.0 * (float) src->h / (float) dst->h);
- /* allocate memory for row increments */
+ // allocate memory for row increments
sax = (Uint32 *)checked_malloc(dst->w * sizeof(Uint32));
say = (Uint32 *)checked_malloc(dst->h * sizeof(Uint32));
- /* precalculate row increments */
+ // precalculate row increments
csx = 0;
csax = sax;
for (x = 0; x < dst->w; x++)
csay++;
}
- /* pointer setup */
+ // pointer setup
sp = csp = (Uint8 *) src->pixels;
dp = (Uint8 *) dst->pixels;
dgap = dst->pitch - dst->w;
- /* draw */
+ // draw
csay = say;
for (y = 0; y < dst->h; y++)
{
sp = csp;
for (x = 0; x < dst->w; x++)
{
- /* draw */
+ // draw
*dp = *sp;
- /* advance source pointers */
+ // advance source pointers
sp += (*csax);
csax++;
- /* advance destination pointer */
+ // advance destination pointer
dp++;
}
- /* advance source pointer (for row) */
+ // advance source pointer (for row)
csp += ((*csay) * src->pitch);
csay++;
- /* advance destination pointers */
+ // advance destination pointers
dp += dgap;
}
-----------------------------------------------------------------------------
*/
-SDL_Surface *zoomSurface(SDL_Surface *src, int dst_width, int dst_height)
+static SDL_Surface *zoomSurface(SDL_Surface *src, int dst_width, int dst_height)
{
SDL_Surface *zoom_src = NULL;
SDL_Surface *zoom_dst = NULL;
if (src == NULL)
return NULL;
- /* determine if source surface is 32 bit or 8 bit */
+ // determine if source surface is 32 bit or 8 bit
is_32bit = (src->format->BitsPerPixel == 32);
if (is_32bit || src->format->BitsPerPixel == 8)
{
- /* use source surface 'as is' */
+ // use source surface 'as is'
zoom_src = src;
}
else
{
- /* new source surface is 32 bit with a defined RGB ordering */
+ // new source surface is 32 bit with a defined RGB ordering
zoom_src = SDL_CreateRGBSurface(SURFACE_FLAGS, src->w, src->h, 32,
0x000000ff, 0x0000ff00, 0x00ff0000,
(src->format->Amask ? 0xff000000 : 0));
is_converted = TRUE;
}
- /* allocate surface to completely contain the zoomed surface */
+ // allocate surface to completely contain the zoomed surface
if (is_32bit)
{
- /* target surface is 32 bit with source RGBA/ABGR ordering */
+ // target surface is 32 bit with source RGBA/ABGR ordering
zoom_dst = SDL_CreateRGBSurface(SURFACE_FLAGS, dst_width, dst_height, 32,
zoom_src->format->Rmask,
zoom_src->format->Gmask,
}
else
{
- /* target surface is 8 bit */
+ // target surface is 8 bit
zoom_dst = SDL_CreateRGBSurface(SURFACE_FLAGS, dst_width, dst_height, 8,
0, 0, 0, 0);
}
- /* lock source surface */
+ // lock source surface
SDL_LockSurface(zoom_src);
- /* check which kind of surface we have */
+ // check which kind of surface we have
if (is_32bit)
{
- /* call the 32 bit transformation routine to do the zooming */
+ // call the 32 bit transformation routine to do the zooming
zoomSurfaceRGBA(zoom_src, zoom_dst);
}
else
{
- /* copy palette */
+ // copy palette
for (i = 0; i < zoom_src->format->palette->ncolors; i++)
zoom_dst->format->palette->colors[i] =
zoom_src->format->palette->colors[i];
zoom_dst->format->palette->ncolors = zoom_src->format->palette->ncolors;
- /* call the 8 bit transformation routine to do the zooming */
+ // call the 8 bit transformation routine to do the zooming
zoomSurfaceY(zoom_src, zoom_dst);
}
- /* unlock source surface */
+ // unlock source surface
SDL_UnlockSurface(zoom_src);
- /* free temporary surface */
+ // free temporary surface
if (is_converted)
SDL_FreeSurface(zoom_src);
- /* return destination surface */
+ // return destination surface
return zoom_dst;
}
if ((new_surface = SDLGetNativeSurface(surface)) == NULL)
Error(ERR_EXIT, "SDLGetNativeSurface() failed");
- /* remove alpha channel from native non-transparent surface, if defined */
+ // remove alpha channel from native non-transparent surface, if defined
SDLSetAlpha(new_surface, FALSE, 0);
- /* remove transparent color from native non-transparent surface, if defined */
+ // remove transparent color from native non-transparent surface, if defined
SDL_SetColorKey(new_surface, UNSET_TRANSPARENT_PIXEL, 0);
return new_surface;
SDL_Surface *src_surface = src_bitmap->surface_masked;
SDL_Surface *dst_surface;
- dst_width = MAX(1, dst_width); /* prevent zero bitmap width */
- dst_height = MAX(1, dst_height); /* prevent zero bitmap height */
+ dst_width = MAX(1, dst_width); // prevent zero bitmap width
+ dst_height = MAX(1, dst_height); // prevent zero bitmap height
dst_bitmap->width = dst_width;
dst_bitmap->height = dst_height;
- /* create zoomed temporary surface from source surface */
+ // create zoomed temporary surface from source surface
dst_surface = zoomSurface(src_surface, dst_width, dst_height);
- /* create native format destination surface from zoomed temporary surface */
+ // create native format destination surface from zoomed temporary surface
SDLSetNativeSurface(&dst_surface);
- /* set color key for zoomed surface from source surface, if defined */
+ // set color key for zoomed surface from source surface, if defined
if (SDLHasColorKey(src_surface))
SDL_SetColorKey(dst_surface, SET_TRANSPARENT_PIXEL,
SDLGetColorKey(src_surface));
- /* create native non-transparent surface for opaque blitting */
+ // create native non-transparent surface for opaque blitting
dst_bitmap->surface = SDLGetOpaqueSurface(dst_surface);
- /* set native transparent surface for masked blitting */
+ // set native transparent surface for masked blitting
dst_bitmap->surface_masked = dst_surface;
return dst_bitmap;
}
-/* ========================================================================= */
-/* load image to bitmap */
-/* ========================================================================= */
+// ============================================================================
+// load image to bitmap
+// ============================================================================
Bitmap *SDLLoadImage(char *filename)
{
if (program.headless)
{
- /* prevent sanity check warnings at later stage */
+ // prevent sanity check warnings at later stage
new_bitmap->width = new_bitmap->height = 1;
return new_bitmap;
print_timestamp_time(getBaseNamePtr(filename));
- /* load image to temporary surface */
+ // load image to temporary surface
if ((sdl_image_tmp = IMG_Load(filename)) == NULL)
Error(ERR_EXIT, "IMG_Load() failed: %s", SDL_GetError());
UPDATE_BUSY_STATE();
- /* create native non-transparent surface for current image */
+ // create native non-transparent surface for current image
if ((new_bitmap->surface = SDLGetOpaqueSurface(sdl_image_tmp)) == NULL)
Error(ERR_EXIT, "SDLGetOpaqueSurface() failed");
UPDATE_BUSY_STATE();
- /* set black pixel to transparent if no alpha channel / transparent color */
+ // set black pixel to transparent if no alpha channel / transparent color
if (!SDLHasAlpha(sdl_image_tmp) &&
!SDLHasColorKey(sdl_image_tmp))
SDL_SetColorKey(sdl_image_tmp, SET_TRANSPARENT_PIXEL,
SDL_MapRGB(sdl_image_tmp->format, 0x00, 0x00, 0x00));
- /* create native transparent surface for current image */
+ // create native transparent surface for current image
if ((new_bitmap->surface_masked = SDLGetNativeSurface(sdl_image_tmp)) == NULL)
Error(ERR_EXIT, "SDLGetNativeSurface() failed");
UPDATE_BUSY_STATE();
- /* free temporary surface */
+ // free temporary surface
SDL_FreeSurface(sdl_image_tmp);
new_bitmap->width = new_bitmap->surface->w;
}
-/* ------------------------------------------------------------------------- */
-/* custom cursor fuctions */
-/* ------------------------------------------------------------------------- */
+// ----------------------------------------------------------------------------
+// custom cursor fuctions
+// ----------------------------------------------------------------------------
static SDL_Cursor *create_cursor(struct MouseCursorInfo *cursor_info)
{
static SDL_Cursor *cursor_default = NULL;
static SDL_Cursor *cursor_current = NULL;
- /* if invoked for the first time, store the SDL default cursor */
+ // if invoked for the first time, store the SDL default cursor
if (cursor_default == NULL)
cursor_default = SDL_GetCursor();
- /* only create new cursor if cursor info (custom only) has changed */
+ // only create new cursor if cursor info (custom only) has changed
if (cursor_info != NULL && cursor_info != last_cursor_info)
{
cursor_current = create_cursor(cursor_info);
last_cursor_info = cursor_info;
}
- /* only set new cursor if cursor info (custom or NULL) has changed */
+ // only set new cursor if cursor info (custom or NULL) has changed
if (cursor_info != last_cursor_info2)
SDL_SetCursor(cursor_info ? cursor_current : cursor_default);
}
-/* ========================================================================= */
-/* audio functions */
-/* ========================================================================= */
+// ============================================================================
+// audio functions
+// ============================================================================
void SDLOpenAudio(void)
{
audio.loops_available = TRUE;
audio.sound_enabled = TRUE;
- /* set number of available mixer channels */
+ // set number of available mixer channels
audio.num_channels = Mix_AllocateChannels(NUM_MIXER_CHANNELS);
audio.music_channel = MUSIC_CHANNEL;
audio.first_sound_channel = FIRST_SOUND_CHANNEL;
}
-/* ========================================================================= */
-/* event functions */
-/* ========================================================================= */
+// ============================================================================
+// event functions
+// ============================================================================
-void SDLNextEvent(Event *event)
+void SDLWaitEvent(Event *event)
{
SDL_WaitEvent(event);
}
}
-/* ========================================================================= */
-/* joystick functions */
-/* ========================================================================= */
+// ============================================================================
+// joystick functions
+// ============================================================================
#if defined(TARGET_SDL2)
static void *sdl_joystick[MAX_PLAYERS]; // game controller or joystick
static int sdl_js_button[MAX_PLAYERS][2];
static boolean sdl_is_controller[MAX_PLAYERS];
-static boolean SDLOpenJoystick(int nr)
+void SDLClearJoystickState(void)
+{
+ int i, j;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ for (j = 0; j < 2; j++)
+ {
+ sdl_js_axis_raw[i][j] = -1;
+ sdl_js_axis[i][j] = 0;
+ sdl_js_button[i][j] = 0;
+ }
+ }
+}
+
+boolean SDLOpenJoystick(int nr)
{
if (nr < 0 || nr >= MAX_PLAYERS)
return FALSE;
sdl_is_controller[nr] = FALSE;
#endif
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "opening joystick %d (%s)",
nr, (sdl_is_controller[nr] ? "game controller" : "joystick"));
#endif
return (sdl_joystick[nr] != NULL);
}
-static void SDLCloseJoystick(int nr)
+void SDLCloseJoystick(int nr)
{
if (nr < 0 || nr >= MAX_PLAYERS)
return;
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "closing joystick %d", nr);
#endif
#endif
sdl_joystick[nr] = NULL;
-
- sdl_js_axis_raw[nr][0] = -1;
- sdl_js_axis_raw[nr][1] = -1;
- sdl_js_axis[nr][0] = 0;
- sdl_js_axis[nr][1] = 0;
- sdl_js_button[nr][0] = 0;
- sdl_js_button[nr][1] = 0;
}
boolean SDLCheckJoystickOpened(int nr)
{
#if defined(TARGET_SDL2)
case SDL_CONTROLLERDEVICEADDED:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERDEVICEADDED: device %d added",
event->cdevice.which);
#endif
break;
case SDL_CONTROLLERDEVICEREMOVED:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERDEVICEREMOVED: device %d removed",
event->cdevice.which);
#endif
break;
case SDL_CONTROLLERAXISMOTION:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERAXISMOTION: device %d, axis %d: %d",
event->caxis.which, event->caxis.axis, event->caxis.value);
#endif
break;
case SDL_CONTROLLERBUTTONDOWN:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERBUTTONDOWN: device %d, button %d",
event->cbutton.which, event->cbutton.button);
#endif
break;
case SDL_CONTROLLERBUTTONUP:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERBUTTONUP: device %d, button %d",
event->cbutton.which, event->cbutton.button);
#endif
if (sdl_is_controller[event->jaxis.which])
break;
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_JOYAXISMOTION: device %d, axis %d: %d",
event->jaxis.which, event->jaxis.axis, event->jaxis.value);
#endif
if (sdl_is_controller[event->jaxis.which])
break;
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_JOYBUTTONDOWN: device %d, button %d",
event->jbutton.which, event->jbutton.button);
#endif
if (sdl_is_controller[event->jaxis.which])
break;
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_JOYBUTTONUP: device %d, button %d",
event->jbutton.which, event->jbutton.button);
#endif
}
}
-void SDLInitJoysticks()
+void SDLInitJoysticks(void)
{
static boolean sdl_joystick_subsystem_initialized = FALSE;
boolean print_warning = !sdl_joystick_subsystem_initialized;
#if defined(TARGET_SDL2)
- char *mappings_file_base = getPath2(options.ro_base_directory,
+ char *mappings_file_base = getPath2(options.conf_directory,
GAMECONTROLLER_BASENAME);
char *mappings_file_user = getPath2(getUserGameDataDir(),
GAMECONTROLLER_BASENAME);
#if defined(TARGET_SDL2)
num_mappings = SDL_GameControllerAddMappingsFromFile(mappings_file_base);
- if (num_mappings != -1)
- Error(ERR_INFO, "%d game controller base mapping(s) added", num_mappings);
- else
+ // the included game controller base mappings should always be found
+ if (num_mappings == -1)
Error(ERR_WARN, "no game controller base mappings found");
+#if DEBUG_JOYSTICKS
+ else
+ Error(ERR_INFO, "%d game controller base mapping(s) added", num_mappings);
+#endif
num_mappings = SDL_GameControllerAddMappingsFromFile(mappings_file_user);
- if (num_mappings != -1)
- Error(ERR_INFO, "%d game controller user mapping(s) added", num_mappings);
- else
+#if DEBUG_JOYSTICKS
+ // the personal game controller user mappings may or may not be found
+ if (num_mappings == -1)
Error(ERR_WARN, "no game controller user mappings found");
+ else
+ Error(ERR_INFO, "%d game controller user mapping(s) added", num_mappings);
Error(ERR_INFO, "%d joystick(s) found:", SDL_NumJoysticks());
+#endif
checked_free(mappings_file_base);
checked_free(mappings_file_user);
+#if DEBUG_JOYSTICKS
for (i = 0; i < SDL_NumJoysticks(); i++)
{
const char *name, *type;
Error(ERR_INFO, "- joystick %d (%s): '%s'",
i, type, (name ? name : "(Unknown)"));
}
+#endif
#endif
}
- /* assign joysticks from configured to connected joystick for all players */
+ // assign joysticks from configured to connected joystick for all players
for (i = 0; i < MAX_PLAYERS; i++)
{
- /* get configured joystick for this player */
+ // get configured joystick for this player
char *device_name = setup.input[i].joy.device_name;
int joystick_nr = getJoystickNrFromDeviceName(device_name);
joystick_nr = -1;
}
- /* store configured joystick number for each player */
+ // store configured joystick number for each player
joystick.nr[i] = joystick_nr;
}
- /* now open all connected joysticks (regardless if configured or not) */
+ // now open all connected joysticks (regardless if configured or not)
for (i = 0; i < SDL_NumJoysticks(); i++)
{
- /* this allows subsequent calls to 'InitJoysticks' for re-initialization */
+ // this allows subsequent calls to 'InitJoysticks' for re-initialization
if (SDLCheckJoystickOpened(i))
SDLCloseJoystick(i);
else if (print_warning)
Error(ERR_WARN, "cannot open joystick %d", i);
}
+
+ SDLClearJoystickState();
}
boolean SDLReadJoystick(int nr, int *x, int *y, boolean *b1, boolean *b2)
return TRUE;
}
+
+// ============================================================================
+// touch input overlay functions
+// ============================================================================
+
#if defined(USE_TOUCH_INPUT_OVERLAY)
-static void DrawTouchInputOverlay()
+static void DrawTouchInputOverlay_ShowGrid(int alpha)
+{
+ SDL_Rect rect;
+ int grid_xsize = overlay.grid_xsize;
+ int grid_ysize = overlay.grid_ysize;
+ int x, y;
+
+ SDL_SetRenderDrawColor(sdl_renderer, 255, 255, 255, alpha);
+ SDL_SetRenderDrawBlendMode(sdl_renderer, SDL_BLENDMODE_BLEND);
+
+ for (x = 0; x < grid_xsize; x++)
+ {
+ rect.x = (x + 0) * video.screen_width / grid_xsize;
+ rect.w = (x + 1) * video.screen_width / grid_xsize - rect.x;
+
+ for (y = 0; y < grid_ysize; y++)
+ {
+ rect.y = (y + 0) * video.screen_height / grid_ysize;
+ rect.h = (y + 1) * video.screen_height / grid_ysize - rect.y;
+
+ if (overlay.grid_button[x][y] == CHAR_GRID_BUTTON_NONE)
+ SDL_RenderDrawRect(sdl_renderer, &rect);
+ }
+ }
+
+ SDL_SetRenderDrawColor(sdl_renderer, 0, 0, 0, 255);
+}
+
+static void RenderFillRectangle(int x, int y, int width, int height)
+{
+ SDL_Rect rect = { x, y, width, height };
+
+ SDL_RenderFillRect(sdl_renderer, &rect);
+}
+
+static void DrawTouchInputOverlay_ShowGridButtons(int alpha)
+{
+ static int alpha_direction = 0;
+ static int alpha_highlight = 0;
+ int alpha_max = ALPHA_FROM_TRANSPARENCY(setup.touch.transparency);
+ int alpha_step = ALPHA_FADING_STEPSIZE(alpha_max);
+ SDL_Rect rect;
+ int grid_xsize = overlay.grid_xsize;
+ int grid_ysize = overlay.grid_ysize;
+ int x, y;
+
+ if (alpha == alpha_max)
+ {
+ if (alpha_direction < 0)
+ {
+ alpha_highlight = MAX(0, alpha_highlight - alpha_step);
+
+ if (alpha_highlight == 0)
+ alpha_direction = 1;
+ }
+ else
+ {
+ alpha_highlight = MIN(alpha_highlight + alpha_step, alpha_max);
+
+ if (alpha_highlight == alpha_max)
+ alpha_direction = -1;
+ }
+ }
+ else
+ {
+ alpha_direction = 1;
+ alpha_highlight = alpha;
+ }
+
+ SDL_SetRenderDrawBlendMode(sdl_renderer, SDL_BLENDMODE_BLEND);
+
+ for (x = 0; x < grid_xsize; x++)
+ {
+ for (y = 0; y < grid_ysize; y++)
+ {
+ int grid_button = overlay.grid_button[x][y];
+ int grid_button_action = GET_ACTION_FROM_GRID_BUTTON(grid_button);
+ int alpha_draw = alpha;
+ int outline_border = MV_NONE;
+ int border_size = 2;
+ boolean draw_outlined = setup.touch.draw_outlined;
+ boolean draw_pressed = setup.touch.draw_pressed;
+
+ if (grid_button == CHAR_GRID_BUTTON_NONE)
+ continue;
+
+ if (grid_button == overlay.grid_button_highlight)
+ alpha_draw = alpha_highlight;
+
+ if (draw_pressed && overlay.grid_button_action & grid_button_action)
+ {
+ if (draw_outlined)
+ draw_outlined = FALSE;
+ else
+ alpha_draw = MIN((float)alpha_draw * 1.5, SDL_ALPHA_OPAQUE);
+ }
+
+ SDL_SetRenderDrawColor(sdl_renderer, 255, 255, 255, alpha_draw);
+
+ rect.x = (x + 0) * video.screen_width / grid_xsize;
+ rect.y = (y + 0) * video.screen_height / grid_ysize;
+ rect.w = (x + 1) * video.screen_width / grid_xsize - rect.x;
+ rect.h = (y + 1) * video.screen_height / grid_ysize - rect.y;
+
+ if (x == 0 || overlay.grid_button[x - 1][y] != grid_button)
+ {
+ rect.x += border_size;
+ rect.w -= border_size;
+
+ outline_border |= MV_LEFT;
+ }
+
+ if (x == grid_xsize - 1 || overlay.grid_button[x + 1][y] != grid_button)
+ {
+ rect.w -= border_size;
+
+ outline_border |= MV_RIGHT;
+ }
+
+ if (y == 0 || overlay.grid_button[x][y - 1] != grid_button)
+ {
+ rect.y += border_size;
+ rect.h -= border_size;
+
+ outline_border |= MV_UP;
+ }
+
+ if (y == grid_ysize - 1 || overlay.grid_button[x][y + 1] != grid_button)
+ {
+ rect.h -= border_size;
+
+ outline_border |= MV_DOWN;
+ }
+
+ if (draw_outlined)
+ {
+ int rect_x = rect.x +
+ (outline_border & MV_LEFT ? border_size : 0);
+ int rect_w = rect.w -
+ (outline_border & MV_LEFT ? border_size : 0) -
+ (outline_border & MV_RIGHT ? border_size : 0);
+
+ if (outline_border & MV_LEFT)
+ RenderFillRectangle(rect.x, rect.y, border_size, rect.h);
+
+ if (outline_border & MV_RIGHT)
+ RenderFillRectangle(rect.x + rect.w - border_size, rect.y,
+ border_size, rect.h);
+
+ if (outline_border & MV_UP)
+ RenderFillRectangle(rect_x, rect.y, rect_w, border_size);
+
+ if (outline_border & MV_DOWN)
+ RenderFillRectangle(rect_x, rect.y + rect.h - border_size,
+ rect_w, border_size);
+ }
+ else
+ {
+ SDL_RenderFillRect(sdl_renderer, &rect);
+ }
+ }
+ }
+
+ SDL_SetRenderDrawColor(sdl_renderer, 0, 0, 0, 255);
+}
+
+static void DrawTouchInputOverlay(void)
{
static SDL_Texture *texture = NULL;
static boolean initialized = FALSE;
static boolean deactivated = TRUE;
+ static boolean show_grid = FALSE;
static int width = 0, height = 0;
- static int alpha_max = SDL_ALPHA_OPAQUE / 2;
- static int alpha_step = 5;
- static int alpha_last = 0;
+ static int alpha_last = -1;
static int alpha = 0;
+ int alpha_max = ALPHA_FROM_TRANSPARENCY(setup.touch.transparency);
+ int alpha_step = ALPHA_FADING_STEPSIZE(alpha_max);
boolean active = (overlay.enabled && overlay.active);
if (!active && deactivated)
deactivated = TRUE;
}
+ if (overlay.show_grid)
+ show_grid = TRUE;
+ else if (deactivated)
+ show_grid = FALSE;
+
+ if (show_grid)
+ DrawTouchInputOverlay_ShowGrid(alpha);
+
+ DrawTouchInputOverlay_ShowGridButtons(alpha);
+
+ return;
+
+
+ // !!! VIRTUAL BUTTONS FROM IMAGE FILE NOT USED ANYMORE !!!
+
if (!initialized)
{
char *basename = "overlay/VirtualButtons.png";
width = surface->w;
height = surface->h;
- /* set black pixel to transparent if no alpha channel / transparent color */
+ // set black pixel to transparent if no alpha channel / transparent color
if (!SDLHasAlpha(surface) &&
!SDLHasColorKey(surface))
SDL_SetColorKey(surface, SET_TRANSPARENT_PIXEL,
SDL_FreeSurface(surface);
SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
- SDL_SetTextureAlphaMod(texture, alpha_max);
initialized = TRUE;
}
projects / rocksndiamonds.git / blobdiff