-/***********************************************************
-* Mirror Magic -- McDuffin's Revenge *
-*----------------------------------------------------------*
-* (c) 1994-2001 Artsoft Entertainment *
-* Holger Schemel *
-* Detmolder Strasse 189 *
-* 33604 Bielefeld *
-* Germany *
-* e-mail: info@artsoft.org *
-*----------------------------------------------------------*
-* tools.c *
-***********************************************************/
+// ============================================================================
+// Mirror Magic -- McDuffin's Revenge
+// ----------------------------------------------------------------------------
+// (c) 1994-2017 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// https://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// mm_tools.c
+// ============================================================================
+
+#include <time.h>
#include "main_mm.h"
#include "mm_tools.h"
-/* forward declaration for internal use */
-static int getGraphicAnimationPhase_MM(int, int, int);
-
-void ClearWindow()
+void SetDrawtoField_MM(int mode)
{
- ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
+ int full_xsize = lev_fieldx * TILESIZE_VAR;
+ int full_ysize = lev_fieldy * TILESIZE_VAR;
- SetDrawtoField(DRAW_BACKBUFFER);
-
- redraw_mask |= REDRAW_FIELD;
-}
+ // distance (delta) from screen border (SX/SY) to centered level playfield
+ dSX = (full_xsize < SXSIZE ? (SXSIZE - full_xsize) / 2 : 0);
+ dSY = (full_ysize < SYSIZE ? (SYSIZE - full_ysize) / 2 : 0);
-static int getGraphicAnimationPhase_MM(int frames, int delay, int mode)
-{
- int phase;
+ // for convenience, absolute screen position to centered level playfield
+ cSX = SX + dSX;
+ cSY = SY + dSY;
+ cSX2 = SX + dSX + 2; // including playfield border
+ cSY2 = SY + dSY + 2; // including playfield border
- if (mode == ANIM_PINGPONG)
+ if (mode == DRAW_TO_BACKBUFFER)
{
- int max_anim_frames = 2 * frames - 2;
- phase = (FrameCounter % (delay * max_anim_frames)) / delay;
- phase = (phase < frames ? phase : max_anim_frames - phase);
+ cFX = FX + dSX;
+ cFY = FY + dSY;
}
- else
- phase = (FrameCounter % (delay * frames)) / delay;
-
- if (mode == ANIM_REVERSE)
- phase = -phase;
- return(phase);
+ SetTileCursorSXSY(cSX, cSY);
}
-void DrawGraphicAnimationExt_MM(int x, int y, int graphic,
- int frames, int delay, int mode, int mask_mode)
+void ClearWindow(void)
{
- int phase = getGraphicAnimationPhase_MM(frames, delay, mode);
+ ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
- if (!(FrameCounter % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
- {
- if (mask_mode == USE_MASKING)
- DrawGraphicThruMask_MM(SCREENX(x), SCREENY(y), graphic + phase);
- else
- DrawGraphic_MM(SCREENX(x), SCREENY(y), graphic + phase);
- }
-}
+ SetDrawtoField(DRAW_TO_BACKBUFFER);
+ SetDrawtoField_MM(DRAW_TO_BACKBUFFER);
-void DrawGraphicAnimation_MM(int x, int y, int graphic,
- int frames, int delay, int mode)
-{
- DrawGraphicAnimationExt_MM(x, y, graphic, frames, delay, mode, NO_MASKING);
+ redraw_mask |= REDRAW_FIELD;
}
-void DrawGraphicAnimationThruMask_MM(int x, int y, int graphic,
- int frames, int delay, int mode)
+void DrawGraphicAnimation_MM(int x, int y, int graphic, int frame)
{
- DrawGraphicAnimationExt_MM(x, y, graphic, frames, delay, mode, USE_MASKING);
+ Bitmap *bitmap;
+ int src_x, src_y;
+
+ getGraphicSource(graphic, frame, &bitmap, &src_x, &src_y);
+
+ BlitBitmap(bitmap, drawto_field, src_x, src_y, TILEX, TILEY,
+ cFX + x * TILEX, cFY + y * TILEY);
}
void DrawGraphic_MM(int x, int y, int graphic)
#if DEBUG
if (!IN_SCR_FIELD(x,y))
{
- printf("DrawGraphic_MM(): x = %d, y = %d, graphic = %d\n",x,y,graphic);
- printf("DrawGraphic_MM(): This should never happen!\n");
+ Debug("game:mm:DrawGraphic_MM", "x = %d, y = %d, graphic = %d",
+ x, y, graphic);
+ Debug("game:mm:DrawGraphic_MM", "This should never happen!");
+
return;
}
#endif
- DrawGraphicExt_MM(drawto_field, FX + x*TILEX, FY + y*TILEY, graphic);
+ DrawGraphicExt_MM(drawto_field, cFX + x * TILEX, cFY + y * TILEY, graphic);
+
MarkTileDirty(x, y);
}
int src_x, src_y;
getGraphicSource(graphic, 0, &bitmap, &src_x, &src_y);
+
BlitBitmap(bitmap, d, src_x, src_y, TILEX, TILEY, x, y);
}
#if DEBUG
if (!IN_SCR_FIELD(x,y))
{
- printf("DrawGraphicThruMask_MM(): x = %d,y = %d, graphic = %d\n",x,y,graphic);
- printf("DrawGraphicThruMask_MM(): This should never happen!\n");
+ Debug("game:mm:DrawGraphicThruMask_MM", "x = %d,y = %d, graphic = %d",
+ x, y, graphic);
+ Debug("game:mm:DrawGraphicThruMask_MM", "This should never happen!");
+
return;
}
#endif
- DrawGraphicThruMaskExt_MM(drawto_field, FX + x*TILEX, FY + y*TILEY, graphic);
+ DrawGraphicThruMaskExt_MM(drawto_field, cFX + x * TILEX, cFY + y * TILEY,
+ graphic);
+
MarkTileDirty(x,y);
}
void DrawMiniGraphic_MM(int x, int y, int graphic)
{
- DrawMiniGraphicExt_MM(drawto, SX + x*MINI_TILEX, SY + y*MINI_TILEY, graphic);
- MarkTileDirty(x/2, y/2);
+ DrawMiniGraphicExt_MM(drawto, cSX + x * MINI_TILEX, cSY + y * MINI_TILEY,
+ graphic);
+
+ MarkTileDirty(x / 2, y / 2);
}
-void getMicroGraphicSource(int graphic, Bitmap **bitmap, int *x, int *y)
+#if 0
+static void getMicroGraphicSource(int graphic, Bitmap **bitmap, int *x, int *y)
{
getSizedGraphicSource(graphic, 0, TILESIZE / 4, bitmap, x, y);
}
+#endif
void DrawMiniGraphicExt_MM(DrawBuffer *d, int x, int y, int graphic)
{
int src_x, src_y;
getMiniGraphicSource(graphic, &bitmap, &src_x, &src_y);
+
BlitBitmap(bitmap, d, src_x, src_y, MINI_TILEX, MINI_TILEY, x, y);
}
if (graphic < 0)
{
DrawGraphic_MM(x, y, graphic);
+
return;
}
- if (dx || dy) /* Verschiebung der Grafik? */
+ if (dx || dy) // Verschiebung der Grafik?
{
- if (x < BX1) /* Element kommt von links ins Bild */
+ if (x < BX1) // Element kommt von links ins Bild
{
x = BX1;
width = dx;
cx = TILEX - dx;
dx = 0;
}
- else if (x > BX2) /* Element kommt von rechts ins Bild */
+ else if (x > BX2) // Element kommt von rechts ins Bild
{
x = BX2;
width = -dx;
dx = TILEX + dx;
}
- else if (x==BX1 && dx < 0) /* Element verläßt links das Bild */
+ else if (x==BX1 && dx < 0) // Element verläßt links das Bild
{
width += dx;
cx = -dx;
dx = 0;
}
- else if (x==BX2 && dx > 0) /* Element verläßt rechts das Bild */
+ else if (x==BX2 && dx > 0) // Element verläßt rechts das Bild
width -= dx;
- else if (dx) /* allg. Bewegung in x-Richtung */
+ else if (dx) // allg. Bewegung in x-Richtung
MarkTileDirty(x + SIGN(dx), y);
- if (y < BY1) /* Element kommt von oben ins Bild */
+ if (y < BY1) // Element kommt von oben ins Bild
{
- if (cut_mode==CUT_BELOW) /* Element oberhalb des Bildes */
+ if (cut_mode==CUT_BELOW) // Element oberhalb des Bildes
return;
y = BY1;
cy = TILEY - dy;
dy = 0;
}
- else if (y > BY2) /* Element kommt von unten ins Bild */
+ else if (y > BY2) // Element kommt von unten ins Bild
{
y = BY2;
height = -dy;
dy = TILEY + dy;
}
- else if (y==BY1 && dy < 0) /* Element verläßt oben das Bild */
+ else if (y==BY1 && dy < 0) // Element verläßt oben das Bild
{
height += dy;
cy = -dy;
}
else if (dy > 0 && cut_mode == CUT_ABOVE)
{
- if (y == BY2) /* Element unterhalb des Bildes */
+ if (y == BY2) // Element unterhalb des Bildes
return;
height = dy;
cy = TILEY - dy;
dy = TILEY;
MarkTileDirty(x, y + 1);
- } /* Element verläßt unten das Bild */
+ } // Element verläßt unten das Bild
else if (dy > 0 && (y == BY2 || cut_mode == CUT_BELOW))
+ {
height -= dy;
- else if (dy) /* allg. Bewegung in y-Richtung */
+ }
+ else if (dy) // allg. Bewegung in y-Richtung
+ {
MarkTileDirty(x, y + SIGN(dy));
+ }
}
getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
src_x += cx;
src_y += cy;
- dest_x = FX + x * TILEX + dx;
- dest_y = FY + y * TILEY + dy;
+ dest_x = cFX + x * TILEX + dx;
+ dest_y = cFY + y * TILEY + dy;
#if DEBUG
if (!IN_SCR_FIELD(x,y))
{
- printf("DrawGraphicShifted_MM(): x = %d, y = %d, graphic = %d\n",x,y,graphic);
- printf("DrawGraphicShifted_MM(): This should never happen!\n");
+ Debug("game:mm:DrawGraphicShifted_MM", "x = %d, y = %d, graphic = %d",
+ x, y, graphic);
+ Debug("game:mm:DrawGraphicShifted_MM", "This should never happen!");
+
return;
}
#endif
if (mask_mode == USE_MASKING)
- {
BlitBitmapMasked(src_bitmap, drawto_field,
src_x, src_y, TILEX, TILEY, dest_x, dest_y);
- }
else
BlitBitmap(src_bitmap, drawto_field,
src_x, src_y, width, height, dest_x, dest_y);
void DrawGraphicShiftedThruMask_MM(int x,int y, int dx,int dy, int graphic,
int cut_mode)
{
- DrawGraphicShifted_MM(x,y, dx,dy, graphic, cut_mode, USE_MASKING);
+ DrawGraphicShifted_MM(x, y, dx, dy, graphic, cut_mode, USE_MASKING);
}
void DrawScreenElementExt_MM(int x, int y, int dx, int dy, int element,
if (element == EL_PACMAN)
{
- graphic += 4 * !phase2;
+ graphic = (phase2 ? IMG_MM_PACMAN_RIGHT : IMG_MM_PACMAN_EATING_RIGHT);
if (dir == MV_UP)
graphic += 1;
void DrawLevelFieldThruMask_MM(int x, int y)
{
- DrawLevelElementExt_MM(x, y, 0, 0, Feld[x][y], NO_CUTTING, USE_MASKING);
+ DrawLevelElementExt_MM(x, y, 0, 0, Tile[x][y], NO_CUTTING, USE_MASKING);
}
void DrawScreenElement_MM(int x, int y, int element)
void DrawScreenField_MM(int x, int y)
{
- int element = Feld[x][y];
+ int element = Tile[x][y];
if (!IN_LEV_FIELD(x, y))
return;
int horiz_move;
Blocked2Moving(x, y, &oldx, &oldy);
+
sx = SCREENX(oldx);
sy = SCREENY(oldy);
horiz_move = (MovDir[oldx][oldy] == MV_LEFT ||
MovDir[oldx][oldy] == MV_RIGHT);
DrawScreenElement_MM(x, y, EL_EMPTY);
- element = Feld[oldx][oldy];
+
+ element = Tile[oldx][oldy];
if (horiz_move)
- DrawScreenElementShifted_MM(sx,sy, MovPos[oldx][oldy],0,element,NO_CUTTING);
+ DrawScreenElementShifted_MM(sx, sy, MovPos[oldx][oldy], 0, element,
+ NO_CUTTING);
else
- DrawScreenElementShifted_MM(sx,sy, 0,MovPos[oldx][oldy],element,NO_CUTTING);
+ DrawScreenElementShifted_MM(sx, sy, 0, MovPos[oldx][oldy], element,
+ NO_CUTTING);
}
else if (IS_DRAWABLE(element))
+ {
DrawScreenElement_MM(x, y, element);
+ }
else
+ {
DrawScreenElement_MM(x, y, EL_EMPTY);
+ }
}
void DrawLevelField_MM(int x, int y)
if (!element)
{
DrawMiniGraphic_MM(x, y, IMG_EMPTY);
+
return;
}
graphic = el2gfx(element);
+
DrawMiniGraphic_MM(x, y, graphic);
}
if (x < -1 || x > lev_fieldx || y < -1 || y > lev_fieldy)
DrawMiniElement_MM(sx, sy, EL_EMPTY);
else if (x > -1 && x < lev_fieldx && y > -1 && y < lev_fieldy)
- DrawMiniElement_MM(sx, sy, Feld[x][y]);
+ DrawMiniElement_MM(sx, sy, Tile[x][y]);
}
void DrawField_MM(int x, int y)
{
- int element = Feld[x][y];
+ int element = Tile[x][y];
DrawElement_MM(x, y, element);
}
-void DrawLevel_MM()
+void DrawLevel_MM(void)
{
int x,y;
ClearWindow();
- for (x=0; x<lev_fieldx; x++)
- for (y=0; y<lev_fieldy; y++)
+ for (x = 0; x < lev_fieldx; x++)
+ for (y = 0; y < lev_fieldy; y++)
DrawField_MM(x, y);
redraw_mask |= REDRAW_FIELD;
getMiniGraphicSource(graphic, &bitmap, &gx, &gy);
- if (game_status != LEVELED || !editor.draw_walls_masked)
- DrawGraphic_MM(x, y, IMG_EMPTY);
+ DrawGraphic_MM(x, y, IMG_EMPTY);
/*
if (IS_WALL_WOOD(element) || IS_WALL_AMOEBA(element) ||
gy += MINI_TILEY;
*/
- for(i=0; i<4; i++)
+ for (i = 0; i < 4; i++)
{
- int dest_x = SX + x * TILEX + MINI_TILEX * (i % 2);
- int dest_y = SY + y * TILEY + MINI_TILEY * (i / 2);
+ int dest_x = cSX + x * TILEX + MINI_TILEX * (i % 2);
+ int dest_y = cSY + y * TILEY + MINI_TILEY * (i / 2);
if (!((1 << i) & draw_mask))
continue;
if (element & (1 << i))
BlitBitmap(bitmap, drawto, gx, gy, MINI_TILEX, MINI_TILEY,
dest_x, dest_y);
- else if (!editor.draw_walls_masked)
+ else
ClearRectangle(drawto, dest_x, dest_y, MINI_TILEX, MINI_TILEY);
}
int frame;
Bitmap *bitmap;
int src_x, src_y;
- int dst_x = SX + x * TILEX + (i % 2) * MINI_TILEX;
- int dst_y = SY + y * TILEY + (i / 2) * MINI_TILEY;
+ int dst_x = cSX + x * TILEX + (i % 2) * MINI_TILEX;
+ int dst_y = cSY + y * TILEY + (i / 2) * MINI_TILEY;
if (bit_mask & (1 << i))
{
frame = 0;
}
- getGraphicSource(graphic, frame, &bitmap, &src_x, &src_y);
+ getSizedGraphicSource(graphic, frame, MINI_TILESIZE, &bitmap,
+ &src_x, &src_y);
BlitBitmap(bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
dst_x, dst_y);
else if (IS_WALL(element))
DrawWalls_MM(x, y, element);
#if 0
- else if (IS_WALL_CHANGING(element) && IS_WALL_CHANGING(Feld[x][y]))
+ else if (IS_WALL_CHANGING(element) && IS_WALL_CHANGING(Tile[x][y]))
{
- int wall_element = Feld[x][y] - EL_WALL_CHANGING + Store[x][y];
+ int wall_element = Tile[x][y] - EL_WALL_CHANGING + Store[x][y];
DrawWalls_MM(x, y, wall_element);
}
#endif
else if (element == EL_PACMAN)
DrawLevelField_MM(x, y);
+ else if (element == EL_FUSE_ON &&
+ laser.fuse_off &&
+ laser.fuse_x == x &&
+ laser.fuse_y == y)
+ DrawGraphic_MM(x, y, IMG_MM_FUSE);
else
DrawGraphic_MM(x, y, el2gfx(element));
}
-void DrawMicroWalls_MM(int x, int y, int element)
+#if 0
+static void DrawMicroWalls_MM(int x, int y, int element)
{
Bitmap *bitmap;
int graphic = el2gfx(WALL_BASE(element));
getMicroGraphicSource(graphic, &bitmap, &gx, &gy);
- for (i=0; i<4; i++)
+ for (i = 0; i < 4; i++)
{
int xpos = MICROLEV_XPOS + x * MICRO_TILEX + MICRO_WALLX * (i % 2);
int ypos = MICROLEV_YPOS + y * MICRO_TILEY + MICRO_WALLY * (i / 2);
}
}
-void DrawMicroElement_MM(int x, int y, int element)
+static void DrawMicroElement_MM(int x, int y, int element)
{
Bitmap *bitmap;
int graphic = el2gfx(element);
if (IS_WALL(element))
{
DrawMicroWalls_MM(x, y, element);
+
return;
}
MICROLEV_XPOS + x * MICRO_TILEX, MICROLEV_YPOS + y * MICRO_TILEY);
}
-void DrawMicroLevelExt_MM(int xpos, int ypos)
+static void DrawMicroLevelExt_MM(int xpos, int ypos)
{
- int x,y;
+ int x, y;
ClearRectangle(drawto, xpos, ypos, MICROLEV_XSIZE, MICROLEV_YSIZE);
- for (x=0; x<STD_LEV_FIELDX; x++)
- for (y=0; y<STD_LEV_FIELDY; y++)
+ for (x = 0; x < STD_LEV_FIELDX; x++)
+ for (y = 0; y < STD_LEV_FIELDY; y++)
DrawMicroElement_MM(x, y, Ur[x][y]);
redraw_mask |= REDRAW_FIELD;
}
+#endif
void DrawMiniLevel_MM(int size_x, int size_y, int scroll_x, int scroll_y)
{
- int x,y;
+ int x, y;
- for(x=0; x<size_x; x++)
- for(y=0; y<size_y; y++)
+ for (x = 0; x < size_x; x++)
+ for (y = 0; y < size_y; y++)
DrawMiniElementOrWall_MM(x, y, scroll_x, scroll_y);
redraw_mask |= REDRAW_FIELD;
}
-int REQ_in_range(int x, int y)
+
+// ----------------------------------------------------------------------------
+// XSN
+// ----------------------------------------------------------------------------
+
+#define XSN_RND(x) ((x) != 0 ? rand() % (x) : 0)
+#define XSN_ALPHA_VALUE(x) (SDL_ALPHA_OPAQUE * (x) / 100)
+
+#define XSN_MAX_ITEMS 100
+#define XSN_MAX_HEIGHT 40
+#define XSN_MAX_DX 2
+#define XSN_MAX_DY 10
+#define XSN_CHECK_DELAY 3
+#define XSN_START_DELAY 60
+#define XSN_UPDATE_DELAY 50
+#define XSN_GROWTH_DELAY 3
+#define XSN_GROWTH_RATE 3
+#define XSN_CHANGE_DELAY 30
+#define XSN_CHANGE_FACTOR 3
+#define XSN_ALPHA_DEFAULT XSN_ALPHA_VALUE(95)
+#define XSN_ALPHA_VISIBLE XSN_ALPHA_VALUE(50)
+#define XSN_DEBUG_STEPS 5
+
+static byte xsn_bits_0[] = { 0x05, 0x02, 0x05 };
+static byte xsn_bits_1[] = { 0x22, 0x6b, 0x14, 0x2a, 0x14, 0x6b, 0x22 };
+static byte xsn_bits_2[] = { 0x14, 0x08, 0x49, 0x36, 0x49, 0x08, 0x14 };
+
+char debug_xsn_mode[] = { 76,101,116,32,105,116,32,115,110,111,119,33,0 };
+
+void setHideSetupEntry(void *);
+void removeHideSetupEntry(void *);
+
+static struct
+{
+ int size;
+ byte *bits;
+ Bitmap *bitmap;
+}
+xsn_data[] =
+{
+ { ARRAY_SIZE(xsn_bits_0), xsn_bits_0 },
+ { ARRAY_SIZE(xsn_bits_1), xsn_bits_1 },
+ { ARRAY_SIZE(xsn_bits_2), xsn_bits_2 },
+ { ARRAY_SIZE(xsn_bits_2), xsn_bits_2 },
+ { ARRAY_SIZE(xsn_bits_1), xsn_bits_1 },
+ { ARRAY_SIZE(xsn_bits_2), xsn_bits_2 },
+ { ARRAY_SIZE(xsn_bits_0), xsn_bits_0 },
+};
+static int num_xsn_data = ARRAY_SIZE(xsn_data);
+
+struct XsnItem
+{
+ int x;
+ int y;
+ int dx;
+ int dy;
+ int type;
+ int active;
+};
+
+struct Xsn
+{
+ int area_xsize;
+ int area_ysize;
+
+ int num_items;
+ int max_items;
+ int max_height;
+ int max_dx;
+ int max_dy;
+
+ int change_delay;
+ int change_type;
+ int change_dir;
+
+ int *height;
+
+ struct XsnItem items[XSN_MAX_ITEMS];
+
+ Bitmap *bitmap;
+
+ int alpha;
+};
+
+static struct Xsn xsn = { 0 };
+
+static int xsn_percent(void)
+{
+ int xsn_m0 = -3;
+ int xsn_m1 = xsn_m0 + 10;
+ int xsn_m2 = xsn_m1 + 10;
+ int xsn_m3 = xsn_m2 + 10;
+ time_t xsn_e0 = time(NULL);
+ struct tm *xsn_t0 = localtime(&xsn_e0);
+ struct tm xsn_t1 = { 0,0,0, xsn_m2*3, xsn_m3/3, xsn_t0->tm_year, 0,0,-1 };
+ time_t xsn_e1 = mktime(&xsn_t1);
+ int xsn_c0 = (25 * xsn_m3) << xsn_m1;
+ int xsn_c1 = (xsn_t1.tm_wday - xsn_m1) * !!xsn_t1.tm_wday;
+
+ for (xsn_m0 = 5; xsn_m0 > 0; xsn_m0--)
+ {
+ int xsn_c2 = (xsn_m0 > 4 ? 0 : xsn_c1) - xsn_m1 * xsn_m0;
+ int xsn_off = (xsn_m0 > 4 ? xsn_c0 : 0);
+ time_t xsn_e3 = xsn_e1 - xsn_c2 * xsn_c0;
+
+ if (xsn_e0 > xsn_e3 - xsn_off &&
+ xsn_e0 < xsn_e3 + xsn_off + xsn_c0)
+ return xsn_m0 * (xsn_m3 - xsn_m1);
+ }
+
+ return xsn_m0;
+}
+
+static void xsn_init_item(int nr)
+{
+ struct XsnItem *item = &xsn.items[nr];
+
+ item->type = XSN_RND(num_xsn_data);
+
+ if (xsn.change_type != 0)
+ {
+ int new_x = XSN_RND(xsn.area_xsize / 3);
+
+ item->x = (xsn.change_dir == 1 ? new_x : xsn.area_xsize - new_x);
+ item->y = XSN_RND(xsn.area_ysize);
+ }
+ else
+ {
+ item->x = XSN_RND(xsn.area_xsize - xsn_data[item->type].size);
+ item->y = XSN_RND(xsn.area_ysize / 10);
+ }
+
+ item->dy = XSN_RND(xsn.max_dy + 1) + 1;
+ item->dx = XSN_RND(item->dy / 4 + 1) * (XSN_RND(1000) > 500 ? -1 : 1);
+
+ item->active = 1;
+}
+
+static void xsn_update_item(int nr)
+{
+ struct XsnItem *item = &xsn.items[nr];
+
+ if (!item->active)
+ xsn_init_item(nr);
+
+ if (xsn.change_type != 0)
+ {
+ int dx_new = ABS(item->dx) +
+ (xsn.change_type == 1 ?
+ XSN_RND(XSN_CHANGE_FACTOR + 1) - XSN_CHANGE_FACTOR / 2 :
+ XSN_RND(20));
+
+ item->dx = MIN(MAX(-50, dx_new * xsn.change_dir), 50);
+ }
+
+ int new_x = item->x + item->dx;
+ int new_y = item->y + item->dy;
+
+ item->active = (new_y < xsn.area_ysize);
+
+ if (xsn.change_type != 0)
+ item->active = (item->active && new_x > 0 && new_x < xsn.area_xsize);
+
+ int item_size = xsn_data[item->type].size;
+ int half_item_size = item_size / 2;
+ int mid_x = new_x + half_item_size;
+ int mid_y = new_y + half_item_size;
+ int upper_border = xsn.area_ysize - xsn.max_height;
+
+ if (item->active &&
+ new_y >= upper_border &&
+ new_x >= 0 &&
+ new_x <= xsn.area_xsize - item_size &&
+ mid_y >= xsn.height[mid_x] &&
+ mid_y < xsn.area_ysize)
+ {
+ Bitmap *item_bitmap = xsn_data[item->type].bitmap;
+ SDL_Surface *surface = xsn.bitmap->surface;
+ SDL_Surface *surface_masked = xsn.bitmap->surface_masked;
+ int item_alpha = XSN_ALPHA_VALUE(81 + XSN_RND(20));
+ int shrink = 1;
+ int i;
+
+ xsn.bitmap->surface = surface_masked;
+
+ SDLSetAlpha(item_bitmap->surface_masked, TRUE, item_alpha);
+
+ // blit to masked surface instead of opaque surface
+ BlitBitmapMasked(item_bitmap, xsn.bitmap, 0, 0, item_size, item_size,
+ new_x, new_y - upper_border);
+
+ SDLSetAlpha(item_bitmap->surface_masked, TRUE, XSN_ALPHA_DEFAULT);
+
+ for (i = -half_item_size; i <= half_item_size; i++)
+ {
+ int xpos = mid_x + i;
+
+ if (xpos >= 0 && xpos < xsn.area_xsize)
+ xsn.height[xpos] = MIN(new_y + ABS(i), xsn.height[xpos]);
+ }
+
+ if (xsn.height[mid_x] <= upper_border + shrink)
+ {
+ int xpos1 = MAX(0, new_x - half_item_size);
+ int xpos2 = MIN(new_x + 3 * half_item_size, xsn.area_xsize);
+ int xsize = xpos2 - xpos1;
+ int ysize1 = XSN_RND(xsn.max_height - shrink);
+ int ysize2 = xsn.max_height - ysize1;
+
+ SDLSetAlpha(surface_masked, FALSE, 0);
+
+ FillRectangle(xsn.bitmap, xpos1, xsn.max_height, xsize, xsn.max_height,
+ BLACK_PIXEL);
+ BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, 0, xsize, ysize1,
+ xpos1, xsn.max_height + shrink);
+ BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, ysize1, xsize, ysize2,
+ xpos1, xsn.max_height + ysize1);
+ FillRectangle(xsn.bitmap, xpos1, 0, xsize, xsn.max_height,
+ BLACK_PIXEL);
+ BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, xsn.max_height,
+ xsize, xsn.max_height, xpos1, 0);
+
+ SDLSetAlpha(surface_masked, TRUE, xsn.alpha);
+
+ for (i = xpos1; i < xpos2; i++)
+ xsn.height[i] = MIN(xsn.height[i] + shrink, xsn.area_ysize - 1);
+ }
+
+ SDLFreeBitmapTextures(xsn.bitmap);
+ SDLCreateBitmapTextures(xsn.bitmap);
+
+ xsn.bitmap->surface = surface;
+
+ item->active = 0;
+ }
+
+ item->dx += XSN_RND(XSN_CHANGE_FACTOR) * (XSN_RND(1000) > 500 ? -1 : 1);
+
+ if (xsn.change_type == 0)
+ item->dx = MIN(MAX(-xsn.max_dx, item->dx), xsn.max_dx);
+
+ item->x = new_x;
+ item->y = new_y;
+}
+
+static void xsn_update_change(void)
+{
+ if (XSN_RND(100) > 65)
+ {
+ xsn.change_dir = (XSN_RND(10) > 4 ? 1 : -1);
+ xsn.change_delay = XSN_RND(5) + 1;
+ xsn.change_type = 2;
+ }
+ else if (xsn.change_type == 2)
+ {
+ xsn.change_delay = XSN_RND(3) + 1;
+ xsn.change_type = 1;
+ }
+ else
+ {
+ xsn.change_delay = XSN_CHANGE_DELAY;
+ xsn.change_type = 0;
+ }
+}
+
+static void DrawTileCursor_Xsn(int draw_target)
+{
+ static boolean initialized = FALSE;
+ static boolean started = FALSE;
+ static boolean active = FALSE;
+ static boolean debug = FALSE;
+ static unsigned int check_delay = 0;
+ static unsigned int start_delay = 0;
+ static unsigned int growth_delay = 0;
+ static unsigned int update_delay = 0;
+ static unsigned int change_delay = 0;
+ static unsigned int check_delay_value = XSN_CHECK_DELAY * 1000;
+ static unsigned int start_delay_value = 0;
+ static unsigned int growth_delay_value = 0;
+ static unsigned int update_delay_value = 0;
+ static unsigned int change_delay_value = 0;
+ static int percent = 0;
+ static int debug_value = 0;
+ boolean reinitialize = FALSE;
+ boolean active_last = active;
+ int i, x, y;
+
+ if (draw_target != DRAW_TO_SCREEN)
+ return;
+
+ if (DelayReached(&check_delay, check_delay_value))
+ {
+ percent = (debug ? debug_value * 100 / XSN_DEBUG_STEPS : xsn_percent());
+
+ if (debug)
+ setup.debug.xsn_percent = percent;
+
+ if (setup.debug.xsn_mode != AUTO)
+ percent = setup.debug.xsn_percent;
+
+ setup.debug.xsn_percent = percent;
+
+ active = (percent > 0);
+
+ if ((active && !active_last) || setup.debug.xsn_mode != AUTO)
+ removeHideSetupEntry(&setup.debug.xsn_mode);
+ else if (!active && active_last)
+ setHideSetupEntry(&setup.debug.xsn_mode);
+
+ if (setup.debug.xsn_mode == FALSE)
+ active = FALSE;
+ }
+ else if (tile_cursor.xsn_debug)
+ {
+ debug_value = (active ? 0 : MIN(debug_value + 1, XSN_DEBUG_STEPS));
+ debug = TRUE;
+ active = FALSE;
+
+ DelayReached(&check_delay, 0);
+
+ setup.debug.xsn_mode = (debug_value > 0);
+ tile_cursor.xsn_debug = FALSE;
+ }
+
+ if (!active)
+ return;
+
+ if (!initialized)
+ {
+ xsn.area_xsize = gfx.win_xsize;
+ xsn.area_ysize = gfx.win_ysize;
+
+ for (i = 0; i < num_xsn_data; i++)
+ {
+ int size = xsn_data[i].size;
+ byte *bits = xsn_data[i].bits;
+ Bitmap *bitmap = CreateBitmap(size, size, DEFAULT_DEPTH);
+
+ FillRectangle(bitmap, 0, 0, size, size, BLACK_PIXEL);
+
+ for (y = 0; y < size; y++)
+ for (x = 0; x < size; x++)
+ if ((bits[y] >> x) & 0x01)
+ SDLPutPixel(bitmap, x, y, WHITE_PIXEL);
+
+ SDL_Surface *surface = bitmap->surface;
+
+ if ((bitmap->surface_masked = SDLGetNativeSurface(surface)) == NULL)
+ Fail("SDLGetNativeSurface() failed");
+
+ SDL_Surface *surface_masked = bitmap->surface_masked;
+
+ SDL_SetColorKey(surface_masked, SET_TRANSPARENT_PIXEL,
+ SDL_MapRGB(surface_masked->format, 0x00, 0x00, 0x00));
+
+ SDLSetAlpha(surface, TRUE, XSN_ALPHA_DEFAULT);
+ SDLSetAlpha(surface_masked, TRUE, XSN_ALPHA_DEFAULT);
+
+ xsn_data[i].bitmap = bitmap;
+ }
+
+ srand((unsigned int)time(NULL));
+
+ initialized = TRUE;
+ }
+
+ if (!active_last)
+ {
+ start_delay_value = (debug || setup.debug.xsn_mode == TRUE ? 0 :
+ (XSN_START_DELAY + XSN_RND(XSN_START_DELAY)) * 1000);
+ started = FALSE;
+
+ DelayReached(&start_delay, 0);
+
+ reinitialize = TRUE;
+ }
+
+ if (reinitialize)
+ {
+ xsn.num_items = 0;
+ xsn.max_items = percent * XSN_MAX_ITEMS / 100;
+ xsn.max_height = percent * XSN_MAX_HEIGHT / 100;
+
+ xsn.max_dx = XSN_MAX_DX;
+ xsn.max_dy = XSN_MAX_DY;
+
+ xsn.change_delay = XSN_CHANGE_DELAY;
+ xsn.change_type = 0;
+ xsn.change_dir = 0;
+
+ xsn.alpha = XSN_ALPHA_DEFAULT;
+
+ for (i = 0; i < xsn.max_items; i++)
+ xsn_init_item(i);
+ }
+
+ if (xsn.area_xsize != gfx.win_xsize ||
+ xsn.area_ysize != gfx.win_ysize ||
+ reinitialize)
+ {
+ xsn.area_xsize = gfx.win_xsize;
+ xsn.area_ysize = gfx.win_ysize;
+
+ if (xsn.bitmap != NULL)
+ FreeBitmap(xsn.bitmap);
+
+ xsn.bitmap = CreateBitmap(xsn.area_xsize, xsn.max_height * 2,
+ DEFAULT_DEPTH);
+
+ FillRectangle(xsn.bitmap, 0, 0, xsn.area_xsize, xsn.max_height,
+ BLACK_PIXEL);
+
+ SDL_Surface *surface = xsn.bitmap->surface;
+
+ if ((xsn.bitmap->surface_masked = SDLGetNativeSurface(surface)) == NULL)
+ Fail("SDLGetNativeSurface() failed");
+
+ SDL_Surface *surface_masked = xsn.bitmap->surface_masked;
+
+ SDL_SetColorKey(surface_masked, SET_TRANSPARENT_PIXEL,
+ SDL_MapRGB(surface_masked->format, 0x00, 0x00, 0x00));
+
+ SDLSetAlpha(surface, TRUE, xsn.alpha);
+ SDLSetAlpha(surface_masked, TRUE, xsn.alpha);
+
+ SDLCreateBitmapTextures(xsn.bitmap);
+
+ for (i = 0; i < num_xsn_data; i++)
+ {
+ SDLFreeBitmapTextures(xsn_data[i].bitmap);
+ SDLCreateBitmapTextures(xsn_data[i].bitmap);
+ }
+
+ if (xsn.height != NULL)
+ checked_free(xsn.height);
+
+ xsn.height = checked_calloc(xsn.area_xsize * sizeof(int));
+
+ for (i = 0; i < xsn.area_xsize; i++)
+ xsn.height[i] = xsn.area_ysize - 1;
+ }
+
+ if (!started)
+ {
+ if (!DelayReached(&start_delay, start_delay_value))
+ return;
+
+ update_delay_value = XSN_UPDATE_DELAY;
+ growth_delay_value = XSN_GROWTH_DELAY * 1000;
+ change_delay_value = XSN_CHANGE_DELAY * 1000;
+
+ DelayReached(&growth_delay, 0);
+ DelayReached(&update_delay, 0);
+ DelayReached(&change_delay, 0);
+
+ started = TRUE;
+ }
+
+ if (xsn.num_items < xsn.max_items)
+ {
+ if (DelayReached(&growth_delay, growth_delay_value))
+ {
+ xsn.num_items += XSN_RND(XSN_GROWTH_RATE * 2);
+ xsn.num_items = MIN(xsn.num_items, xsn.max_items);
+ }
+ }
+
+ if (DelayReached(&update_delay, update_delay_value))
+ {
+ for (i = 0; i < xsn.num_items; i++)
+ xsn_update_item(i);
+ }
+
+ if (DelayReached(&change_delay, change_delay_value))
+ {
+ xsn_update_change();
+
+ change_delay_value = xsn.change_delay * 1000;
+ }
+
+ int xsn_alpha_dx = (gfx.mouse_y > xsn.area_ysize - xsn.max_height ?
+ (xsn.alpha > XSN_ALPHA_VISIBLE ? -1 : 0) :
+ (xsn.alpha < XSN_ALPHA_DEFAULT ? +1 : 0));
+
+ if (xsn_alpha_dx != 0)
+ {
+ xsn.alpha += xsn_alpha_dx;
+
+ SDLSetAlpha(xsn.bitmap->surface_masked, TRUE, xsn.alpha);
+
+ SDLFreeBitmapTextures(xsn.bitmap);
+ SDLCreateBitmapTextures(xsn.bitmap);
+ }
+
+ BlitToScreenMasked(xsn.bitmap, 0, 0, xsn.area_xsize, xsn.max_height,
+ 0, xsn.area_ysize - xsn.max_height);
+
+ for (i = 0; i < xsn.num_items; i++)
+ {
+ int dst_x = xsn.items[i].x;
+ int dst_y = xsn.items[i].y;
+ int type = xsn.items[i].type;
+ int size = xsn_data[type].size;
+ Bitmap *bitmap = xsn_data[type].bitmap;
+
+ BlitToScreenMasked(bitmap, 0, 0, size, size, dst_x, dst_y);
+ }
+}
+
+void DrawTileCursor_MM(int draw_target, boolean tile_cursor_active)
+{
+ if (program.headless)
+ return;
+
+ Bitmap *fade_bitmap;
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ int dst_x, dst_y;
+ int graphic = IMG_GLOBAL_TILE_CURSOR;
+ int frame = 0;
+ int tilesize = TILESIZE_VAR;
+ int width = tilesize;
+ int height = tilesize;
+
+ DrawTileCursor_Xsn(draw_target);
+
+ if (!tile_cursor.enabled ||
+ !tile_cursor.active ||
+ !tile_cursor_active)
+ return;
+
+ if (tile_cursor.moving)
+ {
+ int step = TILESIZE_VAR / 4;
+ int dx = tile_cursor.target_x - tile_cursor.x;
+ int dy = tile_cursor.target_y - tile_cursor.y;
+
+ if (ABS(dx) < step)
+ tile_cursor.x = tile_cursor.target_x;
+ else
+ tile_cursor.x += SIGN(dx) * step;
+
+ if (ABS(dy) < step)
+ tile_cursor.y = tile_cursor.target_y;
+ else
+ tile_cursor.y += SIGN(dy) * step;
+
+ if (tile_cursor.x == tile_cursor.target_x &&
+ tile_cursor.y == tile_cursor.target_y)
+ tile_cursor.moving = FALSE;
+ }
+
+ dst_x = tile_cursor.x;
+ dst_y = tile_cursor.y;
+
+ frame = getGraphicAnimationFrame(graphic, -1);
+
+ getSizedGraphicSource(graphic, frame, tilesize, &src_bitmap, &src_x, &src_y);
+
+ fade_bitmap =
+ (draw_target == DRAW_TO_FADE_SOURCE ? gfx.fade_bitmap_source :
+ draw_target == DRAW_TO_FADE_TARGET ? gfx.fade_bitmap_target : NULL);
+
+ if (draw_target == DRAW_TO_SCREEN)
+ BlitToScreenMasked(src_bitmap, src_x, src_y, width, height, dst_x, dst_y);
+ else
+ BlitBitmapMasked(src_bitmap, fade_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y);
+}
+
+#if 0
+static int REQ_in_range(int x, int y)
{
- if (y > DY+249 && y < DY+278)
+ if (y > DY + 249 && y < DY + 278)
{
- if (x > DX+1 && x < DX+48)
+ if (x > DX + 1 && x < DX + 48)
return 1;
- else if (x > DX+51 && x < DX+98)
+ else if (x > DX + 51 && x < DX + 98)
return 2;
}
+
return 0;
}
+#endif
Pixel ReadPixel(DrawBuffer *bitmap, int x, int y)
{
}
}
-void RedrawPlayfield_MM()
+void RedrawPlayfield_MM(void)
{
DrawLevel_MM();
+ DrawLaser_MM();
}
void BlitScreenToBitmap_MM(Bitmap *target_bitmap)