// Clear various areas related to TILE RAM and init default values for start of level
// Source: 0xD848
void OTiles::clear_tile_info()
{
// 1. Clear portion of RAM containing tilemap info (60F00 - 60F1F)
fg_h_scroll =
bg_h_scroll =
fg_v_scroll =
bg_v_scroll = // +4 words
fg_psel =
bg_psel =
tilemap_v_scr =
tilemap_h_scr = // +5 words
fg_v_tiles =
bg_v_tiles =
tilemap_v_off = // +3 words
fg_addr =
bg_addr = 0; // +4 words
// 2. Clear portion of TEXT RAM containing tilemap info (110E80 - 110FFF)
uint32_t dst_addr = HW_FG_PSEL;
for (uint8_t i = 0; i <= 0x5F; i++)
video.write_text32(&dst_addr, 0);
// 3. Clear all of TILE RAM 100000 - 10FFFF
video.clear_tile_ram();
// 4. Setup new values
fg_psel = roms.rom0.read16(TILES_PAGE_FG1);
bg_psel = roms.rom0.read16(TILES_PAGE_BG1);
video.write_text16(HW_FG_PSEL, fg_psel); // Also write values to hardware
video.write_text16(HW_BG_PSEL, bg_psel);
init_tilemap(oroad.stage_lookup_off); // Initialize Default Tilemap
}
void init_world_area(World_Area* area, Memory_Arena* arena)
{
init_simulator(&area->sim, World_Area_Entity_Capacity, arena);
init_tilemap(&area->map,
World_Area_Tilemap_Width,
World_Area_Tilemap_Height,
arena);
area->entities = Arena_Push_Array(arena, Entity, World_Area_Entity_Capacity);
area->entities_count = 0;
area->entities_capacity = World_Area_Entity_Capacity;
area->next_entity_id = 0;
area->entities_dirty = false;
}
int main(void)
{
register int i;
char filename[30];
FILE *ofp;
init_tilemap();
/*
* create the source file, "tile.c"
*/
Sprintf(filename, SOURCE_TEMPLATE, TILE_FILE);
if (!(ofp = fopen(filename, "w"))) {
perror(filename);
exit(EXIT_FAILURE);
}
fprintf(ofp,"/* This file is automatically generated. Do not edit. */\n");
fprintf(ofp,"\n#include \"hack.h\"\n\n");
fprintf(ofp,"short glyph2tile[MAX_GLYPH] = {\n");
for (i = 0; i < MAX_GLYPH; i++) {
fprintf(ofp,"%2d,%c", tilemap[i], (i % 12) ? ' ' : '\n');
}
fprintf(ofp,"%s};\n", (i % 12) ? "\n" : "");
process_substitutions(ofp);
fprintf(ofp,"\n#define MAXMONTILE %d\n", lastmontile);
fprintf(ofp,"#define MAXOBJTILE %d\n", lastobjtile);
fprintf(ofp,"#define MAXOTHTILE %d\n", lastothtile);
fprintf(ofp,"\n/*tile.c*/\n");
fclose(ofp);
exit(EXIT_SUCCESS);
/*NOTREACHED*/
return 0;
}
// Note this is called in attract mode, when we need to loop back to Stage 1, from the final stage.
// Source: 0xD982
void OTiles::loop_to_stage1()
{
opalette.pal_manip_ctrl = 1; // Enable palette fade routines to transition between levels
init_tilemap(); // Initalize Default Tilemap (Stage 1)
opalette.setup_sky_change(); // Setup data in RAM necessary for sky palette fade.
}