Add project source code

4 files changed, 135 insertions, 0 deletions

diff --git a/src/building/CMakeLists.txt b/src/building/CMakeLists.txt
new file mode 100644
index 0000000..3eb352e
--- /dev/null
+++ b/src/building/CMakeLists.txt
@@ -0,0 +1,3 @@
+add_library(building "src/building.c")
+target_include_directories(building PUBLIC "inc")
+target_link_libraries(building PUBLIC gfx instance camera)
diff --git a/src/building/inc/building.h b/src/building/inc/building.h
new file mode 100644
index 0000000..7763b7d
--- /dev/null
+++ b/src/building/inc/building.h
@@ -0,0 +1,41 @@
+#ifndef BUILDING_H
+#define BUILDING_H
+
+#include <building_type.h>
+#include <camera.h>
+#include <gfx.h>
+#include <instance.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+struct building
+{
+    struct instance instance;
+    enum building_type type;
+};
+
+UTIL_STATIC_ASSERT(!offsetof(struct building, instance), "must be at offset zero");
+
+struct building_cfg
+{
+    enum building_type type;
+    unsigned long x, y;
+};
+
+void building_create(const struct building_cfg *cfg, struct building *b);
+int building_render(const struct building *b, const struct camera *cam, bool sel);
+instance_hp building_maxhp(const struct building *b);
+const char *building_str(const struct building *b);
+
+extern struct sprite building_sprites[MAX_BUILDING_TYPES];
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BUILDING_H */
diff --git a/src/building/inc/building_type.h b/src/building/inc/building_type.h
new file mode 100644
index 0000000..eca76b4
--- /dev/null
+++ b/src/building/inc/building_type.h
@@ -0,0 +1,11 @@
+#ifndef BUILDING_TYPE_H
+#define BUILDING_TYPE_H
+
+enum building_type
+{
+    BUILDING_TYPE_BARRACKS,
+
+    MAX_BUILDING_TYPES
+};
+
+#endif /* BUILDING_TYPE_H */
diff --git a/src/building/src/building.c b/src/building/src/building.c
new file mode 100644
index 0000000..0b90370
--- /dev/null
+++ b/src/building/src/building.c
@@ -0,0 +1,80 @@
+#include <building.h>
+#include <camera.h>
+#include <gfx.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+struct sprite building_sprites[MAX_BUILDING_TYPES];
+
+instance_hp building_maxhp(const struct building *const b)
+{
+    static const instance_hp hp[] =
+    {
+        [BUILDING_TYPE_BARRACKS] = 100
+    };
+
+    return hp[b->type];
+}
+
+int building_render(const struct building *const b,
+    const struct camera *const cam, const bool sel)
+{
+    if (!b->instance.alive)
+        return 0;
+
+    struct sprite *const s = sprite_get();
+
+    if (!s || sprite_clone(&building_sprites[b->type], s))
+        return -1;
+
+    const struct instance_render_cfg cfg =
+    {
+        .i = &b->instance,
+        .prim_type = INSTANCE_RENDER_CFG_SPRITE,
+        .prim = {.s = s},
+        .cam = cam,
+        .sel = sel,
+        .max_hp = building_maxhp(b)
+    };
+
+    return instance_render(&cfg);
+}
+
+static void get_dimensions(const enum building_type type, short *const w,
+    short *const h)
+{
+    static const struct dim
+    {
+        short w, h;
+    } dim[] =
+    {
+        [BUILDING_TYPE_BARRACKS] = {.w = 68, .h = 66}
+    };
+
+    const struct dim *const d = &dim[type];
+    *w = d->w;
+    *h = d->h;
+}
+
+void building_create(const struct building_cfg *const cfg,
+    struct building *const b)
+{
+    struct instance *const i = &b->instance;
+
+    get_dimensions(cfg->type, &i->r.w, &i->r.h);
+    b->type = cfg->type;
+    i->r.x = cfg->x;
+    i->r.y = cfg->y;
+    i->alive = true;
+    i->hp = building_maxhp(b);
+}
+
+const char *building_str(const struct building *const b)
+{
+    static const char *const str[] =
+    {
+        [BUILDING_TYPE_BARRACKS] = "Barracks"
+    };
+
+    return str[b->type];
+}