5 files changed, 150 insertions, 0 deletions
diff --git a/Week1-Pacman/src/animation.c b/Week1-Pacman/src/animation.c
new file mode 100644
index 0000000..40be24a
--- /dev/null
+++ b/Week1-Pacman/src/animation.c
@@ -0,0 +1,41 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "animation.h"
+
+void init_animation(struct animation* animation,
+                    struct animation_init* init) {
+  int initial_frame_count = init->initial_frame_count;
+
+  if (initial_frame_count <= 0) {
+    fprintf(stderr, "All animations need to have at least 1 frame!\n");
+    exit(1);
+  }
+
+  animation->num_frames = initial_frame_count;
+
+  int size = initial_frame_count * sizeof(float);
+
+  animation->frame_times = malloc(size);
+  memcpy(animation->frame_times, init->initial_frame_times, size);
+
+  size = initial_frame_count * sizeof(SDL_Rect);
+
+  animation->frames = malloc(size);
+  memcpy(animation->frames, init->initial_frame_times, size);
+
+}
+
+void update_animation(struct animation* animation, float dt) {
+  int frame_index = animation->current_frame;
+  float current_frame_time = animation->frame_times[frame_index];
+
+  animation->current_time += dt;
+
+  if(animation->current_time >= current_frame_time) {
+    animation->current_time = 0;
+    animation->current_frame =
+      (frame_index + 1) % animation->num_frames;
+  }
+}
diff --git a/Week1-Pacman/src/animation.h b/Week1-Pacman/src/animation.h
new file mode 100644
index 0000000..795b6c7
--- /dev/null
+++ b/Week1-Pacman/src/animation.h
@@ -0,0 +1,29 @@
+#ifndef ANIMATION_H_
+#define ANIMATION_H_
+
+#include <SDL2/SDL_rect.h>
+#include <stdbool.h>
+
+struct animation_init {
+  int initial_frame_count;
+
+  float* initial_frame_times;
+  SDL_Rect* initial_frames;
+};
+
+struct animation {
+  int num_frames;
+
+  int current_frame;
+  float current_time;
+
+  float* frame_times;
+  SDL_Rect* frames;
+};
+
+void init_animation(struct animation* animation,
+                    struct animation_init* init);
+void update_animation(struct animation* animation, float dt);
+void free_animation(struct animation* animation);
+
+#endif // ANIMATION_H_
diff --git a/Week1-Pacman/src/main.c b/Week1-Pacman/src/main.c
new file mode 100644
index 0000000..e1f447f
--- /dev/null
+++ b/Week1-Pacman/src/main.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+
+  return 0;
+}
diff --git a/Week1-Pacman/src/pacman.c b/Week1-Pacman/src/pacman.c
new file mode 100644
index 0000000..6eef8f4
--- /dev/null
+++ b/Week1-Pacman/src/pacman.c
@@ -0,0 +1,44 @@
+#include <SDL2/SDL.h>
+#include <stdbool.h>
+#include "pacman.h"
+
+#define PACMAN_SPEED 40
+
+void handle_pacman_input(SDL_Event* e, struct pacman* pacman) {
+
+  if(e->type == SDL_KEYDOWN) {
+    switch(e->key.keysym.sym) {
+    case SDLK_UP:
+      pacman->facing = FACING_UP;
+      break;
+    case SDLK_DOWN:
+      pacman->facing = FACING_DOWN;
+      break;
+    case SDLK_LEFT:
+      pacman->facing = FACING_LEFT;
+      break;
+    case SDLK_RIGHT:
+      pacman->facing = FACING_RIGHT;
+      break;
+    }
+  }
+
+}
+
+void update_pacman(struct pacman* pacman, float dt) {
+
+  if(pacman->facing == FACING_UP) {
+    pacman->ypos -= PACMAN_SPEED * dt;
+  } else if(pacman->facing == FACING_DOWN) {
+    pacman->ypos += PACMAN_SPEED * dt;
+  } else if(pacman->facing == FACING_LEFT) {
+    pacman->xpos -= PACMAN_SPEED * dt;
+  } else {
+    pacman->xpos += PACMAN_SPEED * dt;
+  }
+
+}
+
+void draw_pacman(SDL_Renderer* ren, const struct pacman* pacman) {
+
+}
diff --git a/Week1-Pacman/src/pacman.h b/Week1-Pacman/src/pacman.h
new file mode 100644
index 0000000..567fc1d
--- /dev/null
+++ b/Week1-Pacman/src/pacman.h
@@ -0,0 +1,30 @@
+#ifndef PACMAN_H_
+#define PACMAN_H_
+
+#include <SDL2/SDL.h>
+#include "animation.h"
+
+enum facing {
+  FACING_UP,
+  FACING_DOWN,
+  FACING_LEFT,
+  FACING_RIGHT
+};
+
+struct pacman {
+  int xpos;
+  int ypos;
+
+  SDL_Texture* pacman_texture;
+  enum facing facing;
+  float frame_time;
+
+  /* One for each face */
+  struct animation animations[4];
+};
+
+void handle_pacman_input(SDL_Event* e, struct pacman* pacman);
+void update_pacman(struct pacman* pacman, float dt);
+void draw_pacman(SDL_Renderer* ren, const struct pacman* pacman);
+
+#endif // PACMAN_H_