From b275caf7956a72a64b8c8bf238831ebe8226f62e Mon Sep 17 00:00:00 2001
From: En Yi <en.yi@tutanota.com>
Date: Mon, 23 Sep 2024 21:55:06 +0800
Subject: [PATCH] Add spawning urchin in editor

---
 scenes/editor_scene.c | 53 +++++++++++++++++++++++++++++++++++++++++--
 scenes/items_ent.c    |  2 +-
 2 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/scenes/editor_scene.c b/scenes/editor_scene.c
index e73b461..224199a 100644
--- a/scenes/editor_scene.c
+++ b/scenes/editor_scene.c
@@ -1,3 +1,4 @@
+#include "EC.h"
 #include "scene_impl.h"
 #include "game_systems.h"
 #include "water_flow.h"
@@ -28,13 +29,20 @@ enum EntitySpawnSelection {
     SPAWN_BOULDER,
     SPAWN_WATER_RUNNER,
     SPAWN_LEVEL_END,
+    SPAWN_URCHIN,
 };
 
-#define MAX_SPAWN_TYPE 16
+#define MAX_SPAWN_TYPE 17
 static unsigned int current_spawn_selection = 0;
 static bool metal_toggle = false;
 static bool crate_activation = false;
 
+#define MAX_URCHIN_SPAWN_SPD 20
+#define URCHIN_SPAWN_UI_RADIUS 40
+#define URCHIN_VELOCITY_SCALE 10
+static Vector2 urchin_spawn_vec = {0,0};
+
+
 #define SELECTION_TILE_SIZE 32
 #define SELECTION_TILE_HALFSIZE (SELECTION_TILE_SIZE >> 1)
 #define SELECTION_GAP 5
@@ -77,6 +85,7 @@ static char* get_spawn_selection_string(enum EntitySpawnSelection sel)
         case SPAWN_BOULDER: return "boulder";
         case SPAWN_WATER_RUNNER: return "water runner";
         case SPAWN_LEVEL_END: return "level end";
+        case SPAWN_URCHIN: return "urchin";
         default: return "unknown";
     }
 }
@@ -134,6 +143,31 @@ static void level_scene_render_func(Scene_t* scene)
         sprintf(buffer, "Camera mode: %s", data->camera.mode == CAMERA_FOLLOW_PLAYER ? "FOLLOW" : "FREE");
         DrawText(buffer, draw_pos.x, draw_pos.y, 20, BLACK);
 
+        draw_pos.x = game_rec.x + game_rec.width - 50 - URCHIN_SPAWN_UI_RADIUS;
+        draw_pos.y = game_rec.y + game_rec.height + SELECTION_GAP + URCHIN_SPAWN_UI_RADIUS;
+
+        // Draw Urchin spawn info
+        DrawCircleV(draw_pos, 40, RED);
+        // HACK: because this ui is not stored, need to perform the mouse check here
+        if (IsMouseButtonDown(MOUSE_BUTTON_LEFT))
+        {
+            Vector2 click_pos = Vector2Subtract(
+                scene->mouse_pos, draw_pos
+            );
+            float mag = Vector2Length(click_pos);
+            if (mag <= URCHIN_SPAWN_UI_RADIUS)
+            {
+                urchin_spawn_vec = Vector2Scale(
+                    Vector2Normalize(click_pos),
+                    mag
+                );
+            }
+        }
+        DrawCircleV(
+            Vector2Add(urchin_spawn_vec, draw_pos),
+            4, BLUE
+        );
+
         // For DEBUG
         const int gui_x = game_rec.x + game_rec.width + 10;
         int gui_y = 15;
@@ -746,7 +780,19 @@ static void toggle_block_system(Scene_t* scene, ActionType_t action, bool presse
                     if (p_ent != NULL)
                     {
                         p_ent->position.x = (tile_idx % tilemap.width) * tilemap.tile_size + (tilemap.tile_size >> 1);
-                        p_ent->position.y = (tile_idx / tilemap.width) * tilemap.tile_size + (tilemap.tile_size >> 1);;
+                        p_ent->position.y = (tile_idx / tilemap.width) * tilemap.tile_size + (tilemap.tile_size >> 1);
+                    }
+                }
+                break;
+                case SPAWN_URCHIN:
+                {
+                    Entity_t* p_ent = create_urchin(&scene->ent_manager);
+                    if (p_ent != NULL)
+                    {
+                        p_ent->position.x = (tile_idx % tilemap.width) * tilemap.tile_size + (tilemap.tile_size >> 1);
+                        p_ent->position.y = (tile_idx / tilemap.width) * tilemap.tile_size + (tilemap.tile_size >> 1);
+                        CTransform_t* p_ct = get_component(p_ent, CTRANSFORM_COMP_T);
+                        p_ct->velocity = Vector2Scale(urchin_spawn_vec, URCHIN_VELOCITY_SCALE);
                     }
                 }
                 break;
@@ -1392,6 +1438,9 @@ void init_sandbox_scene(LevelScene_t* scene)
                 case SPAWN_LEVEL_END:
                     DrawCircleV(Vector2Add(draw_pos, half_size), half_size.x, GREEN);
                 break;
+                case SPAWN_URCHIN:
+                    DrawCircleV(Vector2Add(draw_pos, half_size), half_size.x, RED);
+                break;
 
             }
             draw_pos.x += SELECTION_TILE_SIZE;
diff --git a/scenes/items_ent.c b/scenes/items_ent.c
index 43bceef..3be7e90 100644
--- a/scenes/items_ent.c
+++ b/scenes/items_ent.c
@@ -267,7 +267,7 @@ Entity_t* create_urchin(EntityManager_t* ent_manager)
     CHitBoxes_t* p_hitbox = add_component(p_urchin, CHITBOXES_T);
     p_hitbox->n_boxes = 1;
     p_hitbox->boxes[0] = (Rectangle){3, 3, 26, 26};
-    p_hitbox->atk = 3;
+    p_hitbox->atk = 2;
 
     CSprite_t* p_cspr = add_component(p_urchin, CSPRITE_T);
     p_cspr->sprites = item_sprite_map;