X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Ftoons.c;h=50a164af9c09aeb55ab9984122b41d2cf5a6e923;hb=013e137cafaa16827d0f27e10538b6e90ee0aed0;hp=5c95800cc72c5f53fa0d126221dbaf9e890ac3ae;hpb=a4eaa7fcd8ca604faeee50f049c441415aa4968c;p=rocksndiamonds.git diff --git a/src/libgame/toons.c b/src/libgame/toons.c index 5c95800c..50a164af 100644 --- a/src/libgame/toons.c +++ b/src/libgame/toons.c @@ -1,305 +1,70 @@ -/*********************************************************** -* Artsoft Retro-Game Library * -*----------------------------------------------------------* -* (c) 1995-2002 Artsoft Entertainment * -* Holger Schemel * -* Detmolder Strasse 189 * -* 33604 Bielefeld * -* Germany * -* e-mail: info@artsoft.org * -*----------------------------------------------------------* -* toons.c * -***********************************************************/ +// ============================================================================ +// Artsoft Retro-Game Library +// ---------------------------------------------------------------------------- +// (c) 1995-2014 by Artsoft Entertainment +// Holger Schemel +// info@artsoft.org +// http://www.artsoft.org/ +// ---------------------------------------------------------------------------- +// toons.c +// ============================================================================ #include "toons.h" #include "misc.h" -/* values for toon animation */ -#define ANIM_START 0 -#define ANIM_CONTINUE 1 -#define ANIM_STOP 2 +/* ========================================================================= */ +/* generic animation frame calculation */ +/* ========================================================================= */ - -static struct ToonScreenInfo screen_info; - -void InitToonScreen(Bitmap **toon_bitmap_array, - Bitmap *save_buffer, - void (*update_function)(void), - void (*prepare_backbuffer_function)(void), - boolean (*redraw_needed_function)(void), - struct ToonInfo *toons, int num_toons, - int startx, int starty, - int width, int height) -{ - screen_info.toon_bitmap_array = toon_bitmap_array; - screen_info.save_buffer = save_buffer; - screen_info.update_function = update_function; - screen_info.prepare_backbuffer_function = prepare_backbuffer_function; - screen_info.redraw_needed_function = redraw_needed_function; - screen_info.toons = toons; - screen_info.num_toons = num_toons; - screen_info.startx = startx; - screen_info.starty = starty; - screen_info.width = width; - screen_info.height = height; -} - -void DrawAnim(Bitmap *toon_bitmap, GC toon_clip_gc, - int src_x, int src_y, int width, int height, - int dest_x, int dest_y, int pad_x, int pad_y) -{ - int buf_x = DOOR_GFX_PAGEX3, buf_y = DOOR_GFX_PAGEY1; - -#if 1 - /* special method to avoid flickering interference with BackToFront() */ - BlitBitmap(backbuffer, screen_info.save_buffer, dest_x-pad_x, dest_y-pad_y, - width+2*pad_x, height+2*pad_y, buf_x, buf_y); - SetClipOrigin(toon_bitmap, toon_clip_gc, dest_x-src_x, dest_y-src_y); - BlitBitmapMasked(toon_bitmap, backbuffer, - src_x, src_y, width, height, dest_x, dest_y); - BlitBitmap(backbuffer, window, dest_x-pad_x, dest_y-pad_y, - width+2*pad_x, height+2*pad_y, dest_x-pad_x, dest_y-pad_y); - - screen_info.update_function(); - - BlitBitmap(screen_info.save_buffer, backbuffer, buf_x, buf_y, - width+2*pad_x, height+2*pad_y, dest_x-pad_x, dest_y-pad_y); -#else - /* normal method, causing flickering interference with BackToFront() */ - BlitBitmap(backbuffer, screen_info.save_buffer, dest_x-pad_x, dest_y-pad_y, - width+2*pad_x, height+2*pad_y, buf_x, buf_y); - SetClipOrigin(toon_bitmap,toon_clip_gc, buf_x-src_x+pad_x,buf_y-src_y+pad_y); - BlitBitmapMasked(toon_bitmap, screen_info.save_buffer, - src_x, src_y, width, height, buf_x+pad_x, buf_y+pad_y); - BlitBitmap(screen_info.save_buffer, window, buf_x, buf_y, - width+2*pad_x, height+2*pad_y, dest_x-pad_x, dest_y-pad_y); -#endif - - FlushDisplay(); -} - -boolean AnimateToon(int toon_nr, boolean restart) +int getAnimationFrame(int num_frames, int delay, int mode, int start_frame, + int sync_frame) { - static int pos_x = 0, pos_y = 0; - static int delta_x = 0, delta_y = 0; - static int frame = 0, frame_step = 1; - static boolean horiz_move, vert_move; - static unsigned long anim_delay = 0; - static unsigned long anim_delay_value = 0; - static int width,height; - static int pad_x,pad_y; - static int cut_x,cut_y; - static int src_x, src_y; - static int dest_x, dest_y; + int frame = 0; - struct ToonInfo *anim = &screen_info.toons[toon_nr]; - int bitmap_nr = screen_info.toons[toon_nr].bitmap_nr; - Bitmap *anim_bitmap = screen_info.toon_bitmap_array[bitmap_nr]; - GC anim_clip_gc = anim_bitmap->stored_clip_gc; + sync_frame += start_frame * delay; - if (restart) + if (mode & ANIM_LOOP) /* looping animation */ { - horiz_move = (anim->direction & (ANIMDIR_LEFT | ANIMDIR_RIGHT)); - vert_move = (anim->direction & (ANIMDIR_UP | ANIMDIR_DOWN)); - anim_delay_value = 1000/anim->frames_per_second; - frame = 0; - - if (horiz_move) - { - if (anim->position == ANIMPOS_UP) - pos_y = 0; - else if (anim->position == ANIMPOS_DOWN) - pos_y = screen_info.height - anim->height; - else if (anim->position == ANIMPOS_UPPER) - pos_y = SimpleRND((screen_info.height - anim->height) / 2); - else - pos_y = SimpleRND(screen_info.height - anim->height); - - if (anim->direction == ANIMDIR_RIGHT) - { - delta_x = anim->stepsize; - pos_x = -anim->width + delta_x; - } - else - { - delta_x = -anim->stepsize; - pos_x = screen_info.width + delta_x; - } - delta_y = 0; - } - else - { - if (anim->position == ANIMPOS_LEFT) - pos_x = 0; - else if (anim->position == ANIMPOS_RIGHT) - pos_x = screen_info.width - anim->width; - else - pos_x = SimpleRND(screen_info.width - anim->width); - - if (anim->direction == ANIMDIR_DOWN) - { - delta_y = anim->stepsize; - pos_y = -anim->height + delta_y; - } - else - { - delta_y = -anim->stepsize; - pos_y = screen_info.width + delta_y; - } - delta_x = 0; - } + frame = (sync_frame % (delay * num_frames)) / delay; } - - if (pos_x <= -anim->width - anim->stepsize || - pos_x >= screen_info.width + anim->stepsize || - pos_y <= -anim->height - anim->stepsize || - pos_y >= screen_info.height + anim->stepsize) - return TRUE; - - if (!DelayReached(&anim_delay, anim_delay_value)) + else if (mode & ANIM_LINEAR) /* linear (non-looping) animation */ { - if (screen_info.redraw_needed_function() && !restart) - DrawAnim(anim_bitmap, anim_clip_gc, - src_x + cut_x, src_y + cut_y, - width, height, - screen_info.startx + dest_x, - screen_info.starty + dest_y, - pad_x, pad_y); + frame = sync_frame / delay; - return FALSE; + if (frame > num_frames - 1) + frame = num_frames - 1; } - - if (pos_x < -anim->width) - pos_x = -anim->width; - else if (pos_x > screen_info.width) - pos_x = screen_info.width; - if (pos_y < -anim->height) - pos_y = -anim->height; - else if (pos_y > screen_info.height) - pos_y = screen_info.height; - - pad_x = (horiz_move ? anim->stepsize : 0); - pad_y = (vert_move ? anim->stepsize : 0); - src_x = anim->src_x + frame * anim->width; - src_y = anim->src_y; - dest_x = pos_x; - dest_y = pos_y; - cut_x = cut_y = 0; - width = anim->width; - height = anim->height; - - if (pos_x<0) + else if (mode & ANIM_PINGPONG) /* oscillate (border frames once) */ { - dest_x = 0; - width += pos_x; - cut_x = -pos_x; - } - else if (pos_x > screen_info.width - anim->width) - width -= (pos_x - (screen_info.width - anim->width)); + int max_anim_frames = (num_frames > 1 ? 2 * num_frames - 2 : 1); - if (pos_y<0) - { - dest_y = 0; - height += pos_y; - cut_y = -pos_y; + frame = (sync_frame % (delay * max_anim_frames)) / delay; + frame = (frame < num_frames ? frame : max_anim_frames - frame); } - else if (pos_y > screen_info.height - anim->height) - height -= (pos_y - (screen_info.height - anim->height)); - - DrawAnim(anim_bitmap, anim_clip_gc, - src_x + cut_x, src_y + cut_y, - width, height, - screen_info.startx + dest_x, - screen_info.starty + dest_y, - pad_x, pad_y); - - pos_x += delta_x; - pos_y += delta_y; - frame += frame_step; - - if (frame<0 || frame>=anim->frames) + else if (mode & ANIM_PINGPONG2) /* oscillate (border frames twice) */ { - if (anim->mode == ANIM_PINGPONG) - { - frame_step *= -1; - frame = (frame<0 ? 1 : anim->frames-2); - } - else - frame = (frame<0 ? anim->frames-1 : 0); - } - - return FALSE; -} - -void HandleAnimation(int mode) -{ - static unsigned long animstart_delay = -1; - static unsigned long animstart_delay_value = 0; - static boolean anim_restart = TRUE; - static boolean reset_delay = TRUE; - static int toon_nr = 0; - int draw_mode; - - if (!setup.toons) - return; - - switch(mode) - { - case ANIM_START: - screen_info.prepare_backbuffer_function(); - anim_restart = TRUE; - reset_delay = TRUE; - - return; - - case ANIM_CONTINUE: - break; - - case ANIM_STOP: - redraw_mask |= (REDRAW_FIELD | REDRAW_FROM_BACKBUFFER); - - /* Redraw background even when in direct drawing mode */ - draw_mode = setup.direct_draw; - setup.direct_draw = FALSE; - screen_info.update_function(); - setup.direct_draw = draw_mode; - - return; + int max_anim_frames = 2 * num_frames; - default: - break; + frame = (sync_frame % (delay * max_anim_frames)) / delay; + frame = (frame < num_frames ? frame : max_anim_frames - frame - 1); } - - if (reset_delay) + else if (mode & ANIM_RANDOM) /* play frames in random order */ { - animstart_delay = Counter(); - animstart_delay_value = SimpleRND(3000); - reset_delay = FALSE; - } + /* note: expect different frames for the same delay cycle! */ - if (anim_restart) + if (gfx.anim_random_frame < 0) + frame = GetSimpleRandom(num_frames); + else + frame = gfx.anim_random_frame % num_frames; + } + else if (mode & (ANIM_CE_VALUE | ANIM_CE_SCORE | ANIM_CE_DELAY)) { - if (!DelayReached(&animstart_delay, animstart_delay_value)) - return; - - toon_nr = SimpleRND(screen_info.num_toons); + frame = sync_frame % num_frames; } - anim_restart = reset_delay = AnimateToon(toon_nr,anim_restart); -} + if (mode & ANIM_REVERSE) /* use reverse animation direction */ + frame = num_frames - frame - 1; -void InitAnimation() -{ - HandleAnimation(ANIM_START); -} - -void StopAnimation() -{ - HandleAnimation(ANIM_STOP); -} - -void DoAnimation() -{ - HandleAnimation(ANIM_CONTINUE); + return frame; }