Add project source code

2 files changed, 145 insertions, 0 deletions

diff --git a/src/unit/inc/unit.h b/src/unit/inc/unit.h
new file mode 100644
index 0000000..4a5ace7
--- /dev/null
+++ b/src/unit/inc/unit.h
@@ -0,0 +1,134 @@
+#ifndef UNIT_H
+#define UNIT_H
+
+#include <camera.h>
+#include <gfx.h>
+#include <sfx.h>
+#include <instance.h>
+#include <resource_type.h>
+#include <tech.h>
+#include <unit_type.h>
+#include <util.h>
+#include <fixmath.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+struct unit_tech
+{
+    enum tech_level carry;
+};
+
+enum unit_state
+{
+    UNIT_STATE_IDLE_MOVING,
+    UNIT_STATE_SHELTERED,
+    UNIT_STATE_HARVESTING_WOOD,
+    UNIT_STATE_HARVESTING_GOLD,
+    UNIT_STATE_CARRYING,
+    UNIT_STATE_ATTACKING
+};
+
+struct unit_target
+{
+    struct instance *ins;
+    enum unit_state state;
+    instance_sheltered_cb shelter;
+    instance_attacked_cb attack;
+    instance_done_cb done;
+    void *op;
+};
+
+struct unit
+{
+    struct instance instance;
+    enum unit_type type;
+
+    enum unit_dir
+    {
+        UNIT_DIR_N,
+        UNIT_DIR_NE,
+        UNIT_DIR_E,
+        UNIT_DIR_SE,
+        UNIT_DIR_S,
+        UNIT_DIR_SW,
+        UNIT_DIR_W,
+        UNIT_DIR_NW,
+
+        MAX_UNIT_DIRECTIONS
+    } dir;
+
+    enum unit_state state;
+
+    struct
+    {
+        unsigned char t, i;
+    } frame;
+
+    union
+    {
+        struct unit_harvester
+        {
+            enum resource_type type;
+            unsigned char carry, t;
+            struct unit_target prev_target;
+        } harvester;
+    } us;
+
+    fix16_t rx, ry, tx, ty;
+
+    struct unit_target target;
+};
+
+UTIL_STATIC_ASSERT(!offsetof(struct unit, instance), "must be at offset zero");
+
+struct unit_cfg
+{
+    enum unit_type type;
+    unsigned long x, y;
+};
+
+void unit_create(const struct unit_cfg *cfg, struct unit *u);
+int unit_render(const struct unit *u, const struct camera *cam, bool sel);
+bool unit_can_harvest(const struct unit *u);
+bool unit_target_valid(const struct unit *u, const struct unit_target *t);
+void unit_set_target(struct unit *u, const struct unit_target *t);
+void unit_move_to(struct unit *u, unsigned long x, unsigned long y);
+bool unit_attacked(struct instance *, instance_hp ap);
+void unit_update(const struct unit_tech *t, struct unit *u);
+instance_hp unit_maxhp(const struct unit *u);
+const char *unit_str(const struct unit *u);
+
+enum
+{
+    UNIT_SPRITE_N,
+    UNIT_SPRITE_NE,
+    UNIT_SPRITE_E,
+    UNIT_SPRITE_SE,
+    UNIT_SPRITE_S,
+
+    MAX_UNIT_SPRIES
+};
+
+extern struct sprite unit_sprites[MAX_UNIT_SPRIES];
+
+enum unit_sound
+{
+    UNIT_SOUND_SELECTED,
+    UNIT_SOUND_MOVE,
+    UNIT_SOUND_MOVE_2,
+
+    MAX_UNIT_SOUNDS
+};
+
+extern struct sound unit_sounds[MAX_UNIT_SOUNDS];
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* UNIT_H */
diff --git a/src/unit/inc/unit_type.h b/src/unit/inc/unit_type.h
new file mode 100644
index 0000000..fddd5c9
--- /dev/null
+++ b/src/unit/inc/unit_type.h
@@ -0,0 +1,11 @@
+#ifndef UNIT_TYPE_H
+#define UNIT_TYPE_H
+
+enum unit_type
+{
+    UNIT_TYPE_PEASANT,
+
+    MAX_UNIT_TYPES
+};
+
+#endif /* UNIT_TYPE_H */