trueno/src/world.jai

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#scope_file
Pool :: #import "Pool";
current_world : struct {
world : World;
pool : Pool.Pool; // A memory pool to allocate stuff for the lifetime of this level being active.
valid : bool = false;
};
world_table :: Table(string, World);
#scope_export
sworlds :: () {
Jaison :: #import "Jaison";
worlds : [..]World;
worlds.allocator = temp;
for v : world_table {
array_add(*worlds, v);
}
#if OS != .WASM {
file :: #import "File";
json := Jaison.json_write_string(worlds, " ");
file.write_entire_file("./game/resources/worlds.json", json); // @ToDo: it's quite likely that at some point having all of the worlds in one file will not be ok.
}
} @Command
lworlds :: () {
Jaison :: #import "Jaison";
s := load_string_from_pack("./game/resources/worlds.json");
success, worlds := Jaison.json_parse_string(s, [..]World,, temp);
for worlds {
set_trile(sprint("%",it.name), trile_from_serialize_form(it));
print("Loaded %\n", it.name);
}
} @Command
World_Config :: struct {
// All of the @Notes are for the autoedit functionality.
skyBase : Vector3 = .{0.38, 0.81, 0.95}; @Color
skyTop : Vector3 = .{0.17, 0.4, 0.95}; @Color
sunDisk : Vector3 = .{1.0, 1.0, 1.0}; @Color
horizonHalo : Vector3 = .{1.0, 1.0, 1.0}; @Color
sunHalo : Vector3 = .{1.0, 1.0, 1.0}; @Color
sunLightColor : Vector3 = .{1.0, 1.0, 1.0}; @Color
sunPosition : Vector3 = #run normalize(Vector3.{0.2, 0.3, 0.4});
sunIntensity : float = 2.0; @Slider,0,100,0.5
skyIntensity : float = 1.0; @Slider,0,10,0.5
hasClouds : s32 = 1; @Slider,0,1,1
hasPlane : s32 = 0; @Slider,0,1,1
planeHeight : float = 0.0; @Slider,-100,100,1
planeType : s32 = 1; @Slider,0,1,1
grassDensity : float = 200; @Slider,10,300,1
}
// Copies over all the fields of our world config into a given shader type.
// Requires that the shader type has all of the fields the world config has.
world_config_to_shader_type :: (wc: *World_Config, data: *$T) {
generate_copy_code :: () -> string {
builder : String_Builder;
ti := type_info(World_Config);
for ti.members {
if it.type == type_info(Vector3) then print_to_builder(*builder, "data.% = wc.%.component;\n", it.name, it.name);
else print_to_builder(*builder, "data.% = wc.%;\n", it.name, it.name);
}
return builder_to_string(*builder);
}
data.time = xx get_time();
#insert #run,stallable generate_copy_code();
}
TrilePositions :: struct {
trileName: string;
positions: [..]Vector4;
}
Ground_Tile :: enum {
WATER = 0;
GRASS = 1;
SAND = 2;
}
World :: struct {
conf : World_Config;
positions : [..]TrilePositions;
ground : [1000][1000]Ground_Tile;
}
update_image_from_ground :: (world: *World, img: *sg_image) {
materialdata : [1000*1000*4]u8;
counter : int = 0;
for x: 0..999 {
for y: 0..999 {
if world.ground[x][y] == .GRASS {
materialdata[counter + 0] = 0;
materialdata[counter + 1] = 255;
materialdata[counter + 2] = 0;
materialdata[counter + 3] = 255;
}
if world.ground[x][y] == .WATER {
materialdata[counter + 0] = 0;
materialdata[counter + 1] = 0;
materialdata[counter + 2] = 255;
materialdata[counter + 3] = 255;
}
if world.ground[x][y] == .SAND {
materialdata[counter + 0] = 255;
materialdata[counter + 1] = 0;
materialdata[counter + 2] = 0;
materialdata[counter + 3] = 255;
}
counter += 4;
}
}
imgdata : sg_image_data;
imgdata.subimage[0][0] = .{materialdata.data, materialdata.count};
sg_update_image(img, *imgdata);
}