void mapgen_generate(mapgen_settings *settings)
{
sint32 x, y, mapSize, floorTexture, wallTexture, waterLevel;
rct_map_element *mapElement;
util_srand((sint32)SDL_GetTicks());
mapSize = settings->mapSize;
floorTexture = settings->floor;
wallTexture = settings->wall;
waterLevel = settings->waterLevel;
if (floorTexture == -1)
floorTexture = BaseTerrain[util_rand() % countof(BaseTerrain)];
if (wallTexture == -1) {
// Base edge type on surface type
switch (floorTexture) {
case TERRAIN_DIRT:
wallTexture = TERRAIN_EDGE_WOOD_RED;
break;
case TERRAIN_ICE:
wallTexture = TERRAIN_EDGE_ICE;
break;
default:
wallTexture = TERRAIN_EDGE_ROCK;
break;
}
}
map_clear_all_elements();
// Initialise the base map
map_init(mapSize);
for (y = 1; y < mapSize - 1; y++) {
for (x = 1; x < mapSize - 1; x++) {
mapElement = map_get_surface_element_at(x, y);
map_element_set_terrain(mapElement, floorTexture);
map_element_set_terrain_edge(mapElement, wallTexture);
mapElement->base_height = settings->height;
mapElement->clearance_height = settings->height;
}
}
// Create the temporary height map and initialise
_heightSize = mapSize * 2;
_height = (uint8*)malloc(_heightSize * _heightSize * sizeof(uint8));
memset(_height, 0, _heightSize * _heightSize * sizeof(uint8));
if (1) {
mapgen_simplex(settings);
mapgen_smooth_height(2 + (util_rand() % 6));
} else {
// Keep overwriting the map with rough cicular blobs of different sizes and heights.
// This procedural method can produce intersecting contour like land and lakes.
// Large blobs, general shape of map
mapgen_blobs(6, _heightSize / 2, _heightSize * 4, 4, 16);
// Medium blobs
mapgen_blobs(12, _heightSize / 16, _heightSize / 8, 4, 18);
// Small blobs, small hills and lakes
mapgen_blobs(32, _heightSize / 32, _heightSize / 16, 4, 18);
// Smooth the land so that their aren't cliffs round every blob.
mapgen_smooth_height(2);
}
// Set the game map to the height map
mapgen_set_height();
free(_height);
// Set the tile slopes so that there are no cliffs
while (map_smooth(1, 1, mapSize - 1, mapSize - 1)) { }
// Add the water
mapgen_set_water_level(waterLevel);
// Add sandy beaches
sint32 beachTexture = floorTexture;
if (settings->floor == -1 && floorTexture == TERRAIN_GRASS) {
switch (util_rand() % 4) {
case 0:
beachTexture = TERRAIN_SAND;
break;
case 1:
beachTexture = TERRAIN_SAND_LIGHT;
break;
}
}
for (y = 1; y < mapSize - 1; y++) {
for (x = 1; x < mapSize - 1; x++) {
mapElement = map_get_surface_element_at(x, y);
if (mapElement->base_height < waterLevel + 6)
map_element_set_terrain(mapElement, beachTexture);
}
}
// Place the trees
if (settings->trees != 0)
mapgen_place_trees();
map_reorganise_elements();
}
int rct2_init()
{
log_verbose("initialising game");
RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_TICKS, uint32) = 0;
RCT2_GLOBAL(0x009AC310, char*) = RCT2_GLOBAL(RCT2_ADDRESS_CMDLINE, char*);
get_system_time();
util_srand((unsigned int)time(0));
RCT2_GLOBAL(0x009DEA69, short) = RCT2_GLOBAL(RCT2_ADDRESS_OS_TIME_DAY, short);
RCT2_GLOBAL(0x009DEA6B, short) = RCT2_GLOBAL(RCT2_ADDRESS_OS_TIME_MONTH, short);
if (!rct2_init_directories())
return 0;
if (!rct2_startup_checks())
return 0;
config_reset_shortcut_keys();
config_shortcut_keys_load();
RCT2_GLOBAL(RCT2_ADDRESS_PLACE_OBJECT_MODIFIER, uint8) = 0;
// config_load();
object_list_load();
scenario_load_list();
ride_list_item item = { 253, 0 };
track_load_list(item);
gfx_load_g1();
gfx_load_g2();
font_sprite_initialise_characters();
if (!gOpenRCT2Headless) {
platform_init();
audio_init_ride_sounds_and_info();
}
viewport_init_all();
news_item_init_queue();
get_local_time();
reset_park_entrances();
user_string_clear_all();
reset_sprite_list();
ride_init_all();
window_guest_list_init_vars_a();
staff_reset_modes();
map_init(150);
park_init();
if (!gOpenRCT2Headless)
window_title_menu_open();
date_reset();
climate_reset(CLIMATE_COOL_AND_WET);
scenery_set_default_placement_configuration();
window_new_ride_init_vars();
window_guest_list_init_vars_b();
window_staff_list_init_vars();
if (!gOpenRCT2Headless) {
title_load();
gfx_clear(RCT2_ADDRESS(RCT2_ADDRESS_SCREEN_DPI, rct_drawpixelinfo), 10);
}
log_verbose("initialising game finished");
return 1;
}
