From d130c2c7314cf4884f444db16d7717b7356b54ff Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Thu, 8 Feb 2024 07:58:22 -0800
Subject: Add window width and height to game.
---
game/src/game.c | 10 ++++++++++
game/src/game.h | 2 ++
game/src/plugins/gltf_view.c | 16 +++++++++++++++-
game/src/plugins/plugin.h | 2 +-
game/src/plugins/texture_view.c | 3 ---
5 files changed, 28 insertions(+), 5 deletions(-)
diff --git a/game/src/game.c b/game/src/game.c
index 64be4f3..c720656 100644
--- a/game/src/game.c
+++ b/game/src/game.c
@@ -197,6 +197,10 @@ void app_update(Game* game, double t, double dt) {
shutdown_plugin(game);
const bool result = init_plugin(game);
assert(result); // TODO: handle error better.
+
+ // Trigger a resize just like the initial resize that occurs when the gfx
+ // application starts.
+ resize_plugin(game, game->width, game->height);
}
update_plugin(game, t, dt);
@@ -210,6 +214,12 @@ void app_render(const Game* game) {
}
void app_resize(Game* game, int width, int height) {
+ game->width = width;
+ game->height = height;
+
+ RenderBackend* render_backend = gfx_get_render_backend(game->gfx);
+ gfx_set_viewport(render_backend, width, height);
+
resize_plugin(game, width, height);
}
diff --git a/game/src/game.h b/game/src/game.h
index 93a5e39..579ba3c 100644
--- a/game/src/game.h
+++ b/game/src/game.h
@@ -16,4 +16,6 @@ typedef struct {
PluginEngine* plugin_engine;
Plugin* plugin;
Gfx* gfx;
+ int width;
+ int height;
} Game;
diff --git a/game/src/plugins/gltf_view.c b/game/src/plugins/gltf_view.c
index c19d1b8..4ffdd1e 100644
--- a/game/src/plugins/gltf_view.c
+++ b/game/src/plugins/gltf_view.c
@@ -169,7 +169,7 @@ static void render_bounding_boxes(ImmRenderer* imm, const SceneNode* node) {
const SceneObject* obj = gfx_get_node_object(node);
const aabb3 box = gfx_calc_object_aabb(obj);
gfx_imm_set_model_matrix(imm, &model);
- gfx_imm_draw_aabb(imm, box);
+ gfx_imm_draw_aabb3(imm, box);
}
// Render children's boxes.
@@ -194,3 +194,17 @@ void render(const Game* game, const State* state) {
render_bounding_boxes(imm, gfx_get_scene_root(state->scene));
gfx_imm_end(imm);
}
+
+void resize(Game* game, State* state, int width, int height) {
+ assert(game);
+ assert(state);
+
+ const R fovy = 90 * TO_RAD;
+ const R aspect = (R)width / (R)height;
+ const R near = 0.1;
+ const R far = 1000;
+ const mat4 projection = mat4_perspective(fovy, aspect, near, far);
+
+ Camera* camera = gfx_get_camera_camera(state->camera);
+ camera->projection = projection;
+}
diff --git a/game/src/plugins/plugin.h b/game/src/plugins/plugin.h
index a2632cd..f7219c6 100644
--- a/game/src/plugins/plugin.h
+++ b/game/src/plugins/plugin.h
@@ -41,7 +41,7 @@ void update(Game*, State*, double t, double dt);
void render(const Game*, const State*);
/// Called when the game's window is resized.
-void resize(Game* game, State* state, int width, int height);
+void resize(Game*, State*, int width, int height);
// Signatures for the plugin's exposed functions.
typedef bool (*plugin_init)(Game*, State**);
diff --git a/game/src/plugins/texture_view.c b/game/src/plugins/texture_view.c
index b424158..31bf23e 100644
--- a/game/src/plugins/texture_view.c
+++ b/game/src/plugins/texture_view.c
@@ -133,9 +133,6 @@ void resize(Game* game, State* state, int width, int height) {
assert(game);
assert(state);
- RenderBackend* render_backend = gfx_get_render_backend(game->gfx);
- gfx_set_viewport(render_backend, width, height);
-
const R fovy = 90 * TO_RAD;
const R aspect = (R)width / (R)height;
const R near = 0.1;
--
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