diff options
Diffstat (limited to 'src/engine/draw_screen.c')
| -rw-r--r-- | src/engine/draw_screen.c | 138 |
1 files changed, 89 insertions, 49 deletions
diff --git a/src/engine/draw_screen.c b/src/engine/draw_screen.c index 0c31bf6..d1d7a04 100644 --- a/src/engine/draw_screen.c +++ b/src/engine/draw_screen.c @@ -1,66 +1,106 @@ #include "engine/draw_screen.h" -#include "engine/sprite_controller.h" +hh_level_entity level; +uint64_t offsetY=0; +uint64_t offsetX=0; uint8_t hh_world_to_tile(vec2 pos){ - //TODO: remove magic file name here - FILE* level = fopen("static/level1_test.bin", "rb"); /* open binary file */ - if (!level) { /* check if file opened successfully */ - fprintf(stderr, "Error: Failed to open file.\n"); - return 0; - } - int index = ((pos.y/16)*40 + pos.x/16);//TODO: remove magic number(s) - fseek(level, (index * sizeof(int)) + sizeof(int), SEEK_SET); - int tile;// = (int*)malloc(sizeof(int)); - fread(&tile, sizeof(int), 1, level); // read 1 tile from binary - - fclose(level); - // int val = tile; - // free(tile); + + int index = (((pos.y/HH_PPU_SPRITE_HEIGHT)*level.size.x) + (pos.x/HH_PPU_SPRITE_WIDTH));//TODO: remove magic number(s) + int tile= level.place[index]; return tile; } +void hh_update_screen(vec2 view, vec2 player){ + int current_tile_y = view.y / HH_PPU_SPRITE_HEIGHT; + int current_tile_x = view.x / HH_PPU_SPRITE_WIDTH; + int offset_py = view.y - (offsetY / 40 * HH_PPU_SPRITE_HEIGHT); + int offset_px = view.x - offsetX * HH_PPU_SPRITE_WIDTH; + static int prev_ofsset = 0; -// remeber old value to know which part to update. -vec2 previousViewport = { .x = 0, .y = 0 }; -void hh_draw_screen(vec_cor viewport){ - if (viewport.x == previousViewport.x && viewport.y == previousViewport.y) return; - - hh_ppu_update_aux((hh_s_ppu_loc_aux){ - .bg_shift_x = viewport.x, - .bg_shift_y = viewport.y, - .fg_fetch = 0, - .sysreset = 0, - }); - - // update previous viewport values - previousViewport = viewport; -} + int size = MIN(HH_PPU_BG_CANVAS_TILES_H,level.size.x) * MIN(HH_PPU_BG_CANVAS_TILES_V,level.size.y); + if( (offset_py == 0 || offset_py > 230) && level.size.y > level.size.x && prev_ofsset != offset_py){ + if(offset_py==0){ + offsetY = (current_tile_y-14) * level.size.x; + } + else{ + offsetY = current_tile_y * level.size.x; + } -void hh_setup_screen(){ - //(HH_map_size_X*HH_map_size_Y) - int size = 2400; // max X = 40 en max Y = 80 - //TODO: remove magic file name here - FILE* level = fopen("static/level1_test.bin", "rb"); /* open binary file */ - if (!level) { /* check if file opened successfully */ - fprintf(stderr, "Error: Failed to open level file.\n"); - return; + // Update the background screen + for (int BAM_index = 0; BAM_index < size; BAM_index++) { + hh_ppu_update_background(BAM_index, (hh_s_ppu_loc_bam_entry){ + .horizontal_flip = false, + .vertical_flip = false, + .palette_index = hh_get_palette(level.place[offsetY + BAM_index]), + .tilemap_index = level.place[offsetY + BAM_index], + }); + } + prev_ofsset = offset_py; + } + else if ((offset_px == 0 || offset_px > 310) && level.size.x > level.size.y && prev_ofsset != offset_px) + { + if(offset_px==0){ + offsetX = current_tile_x - 14; + } + else{ + offsetX = current_tile_x; + } + // Update the background screen + for (int BAM_index = 0; BAM_index < size; BAM_index++) { + int var = (BAM_index / HH_PPU_BG_CANVAS_TILES_H) * level.size.x + MIN((BAM_index % HH_PPU_BG_CANVAS_TILES_H + offsetX),level.size.x); + hh_ppu_update_background(BAM_index, (hh_s_ppu_loc_bam_entry){ + .horizontal_flip = false, + .vertical_flip = false, + .palette_index = hh_get_palette(level.place[var]), + .tilemap_index = level.place[var], + }); + } } - fseek(level, (0* sizeof(int)) + sizeof(int), SEEK_SET); - int* tile = (int*)malloc(size*sizeof(int)); - fread(tile, sizeof(int), size, level); // read 1 tile from binary - - fclose(level); - for(int BAM_index = 0; BAM_index < size; BAM_index++){ + prev_ofsset = offset_px; + +} +void hh_setup_screen(hh_level_entity currentlevel){ + hh_clear_screen(); + hh_clear_sprite(); + level = currentlevel; + offsetY=0; + offsetX=0; + int size = MIN(HH_PPU_BG_CANVAS_TILES_H, level.size.x) * MIN(HH_PPU_BG_CANVAS_TILES_V, level.size.y); + for (int BAM_index = 0; BAM_index < size; BAM_index++) { + int var = (BAM_index / HH_PPU_BG_CANVAS_TILES_H) * level.size.x + BAM_index % HH_PPU_BG_CANVAS_TILES_H; hh_ppu_update_background(BAM_index, (hh_s_ppu_loc_bam_entry){ .horizontal_flip = false, .vertical_flip = false, - .palette_index = hh_get_palette(tile[BAM_index]), - .tilemap_index = tile[BAM_index], + .palette_index = hh_get_palette(currentlevel.place[var]), + .tilemap_index = currentlevel.place[var], + }); + } +} +vec_cor hh_draw_screen(vec2 player) { + static vec_cor previousViewport = {0, 0}; + int offset_py = offsetY / 40 * HH_PPU_SPRITE_HEIGHT; + + int offset_px = (offsetX * HH_PPU_SPRITE_WIDTH) ; + vec_cor viewport = hh_update_camera(player,(vec2){.x = offset_px, .y = offset_py},(vec2){.x = HH_PPU_SCREEN_WIDTH + offset_px, .y = 480 + offset_py});//TODO: remove magic number(s) + viewport.x = CLAMP(viewport.x, 0, level.size.x * HH_PPU_SPRITE_WIDTH - HH_PPU_SCREEN_WIDTH); + viewport.y = CLAMP(viewport.y, 0, level.size.y * HH_PPU_SPRITE_HEIGHT - HH_PPU_SCREEN_HEIGHT); + + hh_update_screen((vec2){.y=viewport.y,.x=viewport.x},player); + if (viewport.x == previousViewport.x && viewport.y == previousViewport.y){} + else{ + hh_ppu_update_aux((hh_s_ppu_loc_aux){ + .bg_shift_x = viewport.x - offset_px, + .bg_shift_y = viewport.y - offset_py, + .fg_fetch = 0, + .sysreset = 0, }); + previousViewport = viewport; } - free(tile); + + return viewport; } + void hh_clear_screen(){ // (HH_PPU_SCREEN_HEIGHT*HH_PPU_SCREEN_WIDTH)/(HH_PPU_SPRITE_HEIGHT*HH_PPU_SPRITE_WIDTH) for (int i = 0; i < HH_PPU_BG_CANVAS_TILES_H*HH_PPU_BG_CANVAS_TILES_V; i++) { @@ -82,8 +122,8 @@ void hh_clear_screen(){ void hh_clear_sprite(){ for (int i = 0; i < HH_PPU_FG_SPRITE_COUNT; i++) { hh_ppu_update_foreground(i,(hh_s_ppu_loc_fam_entry){ - .position_x = -16, - .position_y = -16, + .position_x = -HH_PPU_SPRITE_WIDTH, + .position_y = -HH_PPU_SPRITE_HEIGHT, }); } } |