1 files changed, 67 insertions, 0 deletions

diff --git a/gfx-iso/app/isogfx-demo.c b/gfx-iso/app/isogfx-demo.c
new file mode 100644
index 0000000..15ab6be
--- /dev/null
+++ b/gfx-iso/app/isogfx-demo.c
@@ -0,0 +1,67 @@
+#include "isogfx-demo.h"
+
+#include <gfx/gfx_app.h>
+#include <isogfx/isogfx.h>
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+typedef struct State {
+  int xpick;
+  int ypick;
+} State;
+
+static void shutdown(IsoGfx* iso, void* app_state) {
+  assert(iso);
+  if (app_state) {
+    free(app_state);
+  }
+}
+
+static void update(IsoGfx* iso, void* app_state, double t, double dt) {
+  assert(iso);
+  assert(app_state);
+  State* state = (State*)(app_state);
+
+  double mouse_x, mouse_y;
+  gfx_app_get_mouse_position(&mouse_x, &mouse_y);
+
+  isogfx_pick_tile(iso, mouse_x, mouse_y, &state->xpick, &state->ypick);
+
+  // printf("Picked tile: (%d, %d)\n", state->xpick, state->ypick);
+}
+
+static void render(IsoGfx* iso, void* app_state) {
+  assert(iso);
+  assert(app_state);
+  State* state = (State*)(app_state);
+
+  isogfx_render(iso);
+}
+
+bool make_demo_app(IsoGfx* iso, IsoGfxApp* app) {
+  assert(iso);
+  assert(app);
+
+  State* state = calloc(1, sizeof(State));
+  if (!state) {
+    return false;
+  }
+
+  if (!isogfx_load_world(iso, "/home/jeanne/assets/tilemaps/demo1.tm")) {
+    goto cleanup;
+  }
+
+  app->state    = state;
+  app->shutdown = shutdown;
+  app->update   = update;
+  app->render   = render;
+
+  return true;
+
+cleanup:
+  free(state);
+  return false;
+}