Add camera handling and movement

Camera related movements have been moved to camera.c - it tracks the
matrices as well so we don't have to call it in block_update

The player class is empty right now, but the camera will be a child of
the player, and the player a child of the engine

1 files changed, 27 insertions, 0 deletions

diff --git a/src/input.c b/src/input.c
index 68722e7..54ae199 100644
--- a/src/input.c
+++ b/src/input.c
@@ -1,5 +1,8 @@
 #include "input.h"
+#include "camera.h"
+#include "cglm/types.h"
 #include "pthread.h"
+#include <SDL2/SDL_events.h>
 
 pthread_t input_init(struct engine* engine) {
     pthread_t thread;
@@ -18,5 +21,29 @@ void input_handle(struct engine *engine) {
         if (event.type == SDL_QUIT) {
             engine->game_loop = 0;
         }
+        if (event.type == SDL_KEYDOWN) {
+            SDL_KeyboardEvent key = event.key;
+            vec3 ahead = { 0.0f, 0.0f, -1.0f };
+            vec3 behind = { 0.0f, 0.0f, 1.0f };
+            vec3 left = { -1.0f, 0.0f, 0.0f };
+            vec3 right = { 1.0f, 0.0f, 0.0f };
+            switch (key.keysym.sym) {
+                case SDLK_w:
+                    camera_move(engine->camera, ahead);
+                    break;
+                case SDLK_a:
+                    camera_move(engine->camera, left);
+                    break;
+                case SDLK_s:
+                    camera_move(engine->camera, behind);
+                    break;
+                case SDLK_d:
+                    camera_move(engine->camera, right);
+                    break;
+                case SDLK_ESCAPE:
+                    engine->game_loop = 0;
+                    break;
+            }
+        }
     }
 }