Make isogfx a library instead of an executable.

2 files changed, 87 insertions, 0 deletions

diff --git a/gfx-iso/demos/isomap/CMakeLists.txt b/gfx-iso/demos/isomap/CMakeLists.txt
new file mode 100644
index 0000000..13edcc7
--- /dev/null
+++ b/gfx-iso/demos/isomap/CMakeLists.txt
@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.0)
+
+project(isomap)
+
+set(CMAKE_C_STANDARD 17)
+set(CMAKE_C_STANDARD_REQUIRED On)
+set(CMAKE_C_EXTENSIONS Off)
+
+add_executable(isomap
+  isomap.c)
+
+target_link_libraries(isomap PRIVATE
+  isogfx-app)
+
+target_compile_options(isomap PRIVATE -Wall -Wextra -Wpedantic)
diff --git a/gfx-iso/demos/isomap/isomap.c b/gfx-iso/demos/isomap/isomap.c
new file mode 100644
index 0000000..d204d28
--- /dev/null
+++ b/gfx-iso/demos/isomap/isomap.c
@@ -0,0 +1,72 @@
+#include <isogfx/app.h>
+#include <isogfx/isogfx.h>
+
+#include <assert.h>
+#include <stdbool.h>
+
+typedef struct IsoGfxAppState {
+  int         xpick;
+  int         ypick;
+  SpriteSheet stag_sheet;
+  Sprite      stag;
+} IsoGfxAppState;
+
+static bool init(
+    IsoGfxAppState* state, IsoGfx* iso, int argc, const char** argv) {
+  assert(state);
+  assert(iso);
+
+  if (!isogfx_load_world(iso, "/home/jeanne/assets/tilemaps/demo1.tm")) {
+    return false;
+  }
+
+  if (!isogfx_load_sprite_sheet(
+          iso, "/home/jeanne/assets/tilesets/scrabling/critters/stag/stag.ss",
+          &state->stag_sheet)) {
+    return false;
+  }
+
+  state->stag = isogfx_make_sprite(iso, state->stag_sheet);
+  isogfx_set_sprite_position(iso, state->stag, 5, 4);
+
+  return true;
+}
+
+static void shutdown(IsoGfxAppState* state, IsoGfx* iso) {
+  assert(state);
+  assert(iso);
+}
+
+static void update(IsoGfxAppState* state, IsoGfx* iso, double t, double dt) {
+  assert(state);
+  assert(iso);
+
+  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(IsoGfxAppState* state, IsoGfx* iso) {
+  assert(state);
+  assert(iso);
+
+  isogfx_render(iso);
+}
+
+int main(int argc, const char** argv) {
+  IsoGfxAppState state = {0};
+  iso_run(
+      argc, argv,
+      &(IsoGfxApp){
+          .pixel_scale = 2,
+          .state       = &state,
+          .init        = init,
+          .shutdown    = shutdown,
+          .update      = update,
+          .render      = render,
+      });
+  return 0;
+}