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// Load a model
// Animate it
// Collide with the ground
// Have a skybox
#include <assert.h>
#include "camera.h"
#include "core.h"
#include "grid.h"
#include "immdraw.h"
#include "input.h"
#include "keys.h"
#include "loaders.h"
#include "log.h"
#include "maths.h"
#include "maths_types.h"
#include "pbr.h"
#include "primitives.h"
#include "ral_types.h"
#include "render.h"
#include "render_types.h"
#include "shadows.h"
#include "skybox.h"
#include "stack_array.h"
#include "terrain.h"
static const char* faces[6] = { "assets/skybox/right.jpg", "assets/skybox/left.jpg",
"assets/skybox/top.jpg", "assets/skybox/bottom.jpg",
"assets/skybox/front.jpg", "assets/skybox/back.jpg" };
typedef struct Thing {
float x;
} Thing;
TYPED_STACK_ARRAY(Thing, Thing, 6);
int main() {
Core_Bringup("Celeritas: Game Demo", NULL);
// TODO: Load humanoid model + weapon
// TODO: Animate it with WASD keys
// TODO: Skybox (ALMOST)
// TODO: Add a ground terrain
// TODO: Move camera with model
// --- Render Scene
Vec3 camera_pos = vec3(0.0, 1.0, 2.0);
Camera cam = Camera_Create(camera_pos, VEC3_NEG_Z, VEC3_Y, 45.0);
SetCamera(cam); // update the camera in RenderScene
DirectionalLight sun = {
.ambient = vec3(1.0, 1.0, 1.0),
};
SetMainLight(sun);
// --- Terrain
Heightmap hmap = Heightmap_FromImage(str8("assets/test_heightmap.png"));
Terrain_Storage* terrain = Render_GetTerrainStorage();
Terrain_LoadHeightmap(terrain, hmap, 2.0, false);
// --- Skybox
Skybox skybox = Skybox_Create(faces, 6);
// --- Models
// create a wooden crate - loads mesh and material directly rather than via loading a model from a
// gltf file
Geometry cube_geo = Geo_CreateCuboid(f32x3(2.0, 2.0, 2.0));
Mesh crate_mesh = Mesh_Create(&cube_geo, false); // dont free as we may use later
MeshHandle crate_mesh_handle = Mesh_pool_insert(Render_GetMeshPool(), &crate_mesh);
// TextureHandle albedo_map =
// TextureLoadFromFile("assets/demo/crate/Wood_Crate_001_basecolor.jpg");
TextureHandle roughness_map =
TextureLoadFromFile("assets/demo/crate/Wood_Crate_001_roughness.jpg");
TextureHandle normal_map = TextureLoadFromFile("assets/demo/crate/Wood_Crate_001_normal.jpg");
TextureHandle ao_map =
TextureLoadFromFile("assets/demo/crate/Wood_Crate_001_ambientOcclusion.jpg");
Material crate_mat = PBRMaterialDefault();
// crate_mat.name = "Wood_Crate";
// crate_mat.albedo_map = albedo_map;
crate_mat.metallic_roughness_map = roughness_map;
crate_mat.normal_map = normal_map;
crate_mat.ambient_occlusion_map = ao_map;
crate_mat.base_colour = vec3(1.0, 1.0, 1.0);
crate_mat.metallic = 0.0;
MaterialHandle crate_mat_handle = Material_pool_insert(Render_GetMaterialPool(), &crate_mat);
// ModelHandle cube_handle = ModelLoad_gltf("assets/models/gltf/Cube/glTF/Cube.gltf", false);
ModelHandle cube_handle =
ModelLoad_gltf("assets/models/gltf/DamagedHelmet/glTF/DamagedHelmet.gltf", false);
// ModelLoad_gltf("../../assets/prototyper/prototyper_m.gltf", false);
RenderEnt_darray* render_entities = RenderEnt_darray_new(1);
// --- Transforms
// TransformHierarchy* scene_tree = TransformHierarchy_Create();
// TODO: parent camera to model - to start with I can just manually update it every frame
// TODO: query joints of the gltf to get the hand bone to parent a sword to
bool draw_debug = true;
while (!ShouldExit()) {
Frame_Begin();
if (key_just_released(KEYCODE_TAB)) {
draw_debug = !draw_debug;
}
FlyCamera_Update(&cam);
SetCamera(cam);
// BEGIN Draw calls
RenderEnt_darray_clear(render_entities); // we re-extract every frame
// Quat rot = quat_from_axis_angle(VEC3_X, -HALF_PI, true);
// Mat4 affine = mat4_rotation(rot);
Mat4 affine = mat4_ident();
ModelExtractRenderEnts(render_entities, cube_handle, affine, REND_ENT_CASTS_SHADOWS);
// Shadow_Run(entities, entity_count);
// Quat rot = quat_from_axis_angle(VEC3_X, HALF_PI, true);
// Immdraw_Sphere(transform_create(VEC3_ZERO, quat_ident(), vec3(1.0, 3.0, 1.0)),
// vec4(1.0, 0.0, 0.0, 1.0), true);
// Immdraw_Cuboid(transform_create(vec3(4.0, 0.0, 0.0), quat_ident(), vec3(3.0, 0.5, 3.0)),
// vec4(1.0, 0.0, 0.0, 1.0), true);
// Immdraw_Bbox(transform_create(vec3(0.0, 0.0, 0.0), quat_ident(), vec3(2.0, 2.0, 2.0)),
// vec4(0.0, 1.0, 0.0, 1.0), true);
f32 thickness = 0.1;
// Y Axis (blue)
Immdraw_Cone(transform_create(vec3(0.0, 2.0, 0.0), quat_ident(), vec3(0.3, 1.0, 0.3)),
vec4(0.0, 0.0, 1.0, 1.0), false);
Immdraw_Cylinder(transform_create(VEC3_ZERO, quat_ident(), vec3(thickness, 1.1, thickness)),
vec4(0.0, 0.0, 1.0, 1.0), false);
// X Axis (green)
Immdraw_Cone(transform_create(vec3(2.0, 0.0, 0.0), quat_from_axis_angle(VEC3_Z, HALF_PI, true),
vec3(0.3, 1.0, 0.3)),
vec4(0.0, 1.0, 0.0, 1.0), false);
Immdraw_Cylinder(transform_create(VEC3_ZERO, quat_from_axis_angle(VEC3_Z, HALF_PI, true),
vec3(thickness, 1.1, thickness)),
vec4(0.0, 1.0, 0.0, 1.0), false);
// Z Axis (red)
Immdraw_Cone(transform_create(vec3(0.0, 0.0, 2.0), quat_from_axis_angle(VEC3_X, -HALF_PI, true),
vec3(0.3, 1.0, 0.3)),
vec4(1.0, 0.0, 0.0, 1.0), false);
Immdraw_Cylinder(transform_create(VEC3_ZERO, quat_from_axis_angle(VEC3_X, -HALF_PI, true),
vec3(thickness, 1.1, thickness)),
vec4(1.0, 0.0, 0.0, 1.0), false);
if (draw_debug) {
// draw the player model with shadows
// Render_RenderEntities(render_entities->data, render_entities->len);
// Render_DrawTerrain();
// Skybox_Draw(&skybox, cam);
} else {
Shadow_DrawDebugQuad();
}
// Terrain_Draw(terrain);
// Grid_Draw();
// END Draw calls
Frame_Draw();
Frame_End();
}
Core_Shutdown();
return 0;
}
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