From 520e4e67cd9ff53f3c3512c80d07193625e07e3e Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Fri, 16 Jun 2023 09:38:15 -0700
Subject: New plugin architecture.
---
gltfview/src/plugins/texture_view.c | 94 +++++++++++++++++++++++++++++++++++++
1 file changed, 94 insertions(+)
create mode 100644 gltfview/src/plugins/texture_view.c
(limited to 'gltfview/src/plugins/texture_view.c')
diff --git a/gltfview/src/plugins/texture_view.c b/gltfview/src/plugins/texture_view.c
new file mode 100644
index 0000000..f2c650f
--- /dev/null
+++ b/gltfview/src/plugins/texture_view.c
@@ -0,0 +1,94 @@
+#include "texture_view.h"
+
+#include <gfx/render_backend.h>
+#include <gfx/util/geometry.h>
+#include <gfx/util/shader.h>
+#include <gfx/util/texture.h>
+
+#include <math/camera.h>
+
+#include <assert.h>
+#include <stdlib.h>
+
+// Default texture to load if no texture is provided.
+static const char* CLOUDS1_TEXTURE = "/assets/skybox/clouds1/clouds1_west.bmp";
+
+State* init(Game* game) {
+ assert(game);
+
+ State* state = calloc(1, sizeof(State));
+ return state;
+}
+
+bool boot(State* state, Game* game) {
+ assert(state);
+ assert(game);
+
+ // Usage: [texture file]
+ const char* texture_file = game->argc > 1 ? game->argv[1] : CLOUDS1_TEXTURE;
+
+ RenderBackend* render_backend = gfx_get_render_backend(game->gfx);
+
+ Texture* texture = gfx_load_texture(
+ render_backend, &(LoadTextureCmd){
+ .origin = TextureFromFile,
+ .type = LoadTexture,
+ .filtering = LinearFiltering,
+ .mipmaps = false,
+ .data.texture.filepath = mstring_make(texture_file)});
+
+ Camera* camera = gfx_get_camera_camera(game->camera);
+ spatial3_set_position(&camera->spatial, vec3_make(0, 0, 1));
+
+ ShaderProgram* shader = gfx_make_view_texture_shader(render_backend);
+ if (!shader) {
+ return false;
+ }
+
+ Geometry* geometry = gfx_make_quad_11(render_backend);
+ if (!geometry) {
+ return false;
+ }
+
+ MaterialDesc material_desc = (MaterialDesc){0};
+ material_desc.uniforms[0] = (ShaderUniform){
+ .type = UniformTexture,
+ .value.texture = texture,
+ .name = sstring_make("Texture")};
+ material_desc.num_uniforms = 1;
+ Material* material = gfx_make_material(&material_desc);
+ if (!material) {
+ return false;
+ }
+
+ MeshDesc mesh_desc = (MeshDesc){0};
+ mesh_desc.geometry = geometry;
+ mesh_desc.material = material;
+ mesh_desc.shader = shader;
+ Mesh* mesh = gfx_make_mesh(&mesh_desc);
+ if (!mesh) {
+ return false;
+ }
+
+ SceneObject* object = gfx_make_object();
+ if (!object) {
+ return false;
+ }
+ gfx_add_object_mesh(object, mesh);
+
+ SceneNode* node = gfx_make_object_node(object);
+ SceneNode* root = gfx_get_scene_root(game->scene);
+ gfx_set_node_parent(node, root);
+
+ return true;
+}
+
+void update(State* state, Game* game, double t, double dt) {
+ assert(state);
+ assert(game);
+}
+
+void render(State* state, const Game* game) {
+ assert(state);
+ assert(game);
+}
--
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