From 6d6e03b95b197d3a16b629131d463263b46c1e42 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Sat, 6 Feb 2021 13:24:35 -0500
Subject: Added sprite interaction

---
 src/input_system.cpp | 46 +++++++++++++++++++++++++++++++++-------------
 1 file changed, 33 insertions(+), 13 deletions(-)

(limited to 'src/input_system.cpp')

diff --git a/src/input_system.cpp b/src/input_system.cpp
index 6ddb59e..5133e27 100644
--- a/src/input_system.cpp
+++ b/src/input_system.cpp
@@ -3,6 +3,8 @@
 #include "character_system.h"
 #include "message_system.h"
 #include "script_system.h"
+#include "transform_system.h"
+#include "animation_system.h"
 
 struct Input {
   bool left = false;
@@ -26,20 +28,38 @@ void InputSystem::tick(double dt) {
             game_.getSystem<CharacterSystem>().beginCrouch(spriteId);
           }
         }
-      } else if (e.key.keysym.sym == SDLK_a) {
-        // TODO: Remove this, it's just for testing.
-        /*if (game_.getSystem<MessageSystem>().getCutsceneBarsProgress() == 1.0) {
-          game_.getSystem<MessageSystem>().hideCutsceneBars();
+      } else if (e.key.keysym.sym == SDLK_SPACE) {
+        // If there is text on screen, try to advance it.
+        if (game_.getSystem<MessageSystem>().getCutsceneBarsProgress() != 0.0) {
+          game_.getSystem<MessageSystem>().advanceText();
         } else {
-          game_.getSystem<MessageSystem>().displayCutsceneBars();
-        }*/
-        //game_.getSystem<MessageSystem>().displayMessage("Some people always try to avoid fighting when there are enemies around. You know the type, right? They use the dash ability to zoom right by. I guess you could say they're followers of \"peace at any price\".", "Sparrow", SpeakerType::Woman);
-        //game_.getSystem<MessageSystem>().displayMessage("Lucas. You're awful at hide-and-seek, you know that? Try harder.", "Kumatora", SpeakerType::Woman);
-        //game_.getSystem<MessageSystem>().displayMessage("Hi Tooth! I hope you're having a good day.", "Lucas", SpeakerType::Boy);
-        game_.getSystem<ScriptSystem>().runScript("script0001");
-      } else if (e.key.keysym.sym == SDLK_b) {
-        // TODO: Remove this, it's just for testing.
-        game_.getSystem<MessageSystem>().advanceText();
+          // Otherwise, check if there is a sprite in front of the player.
+          for (int spriteId : game_.getSprites()) {
+            Sprite& sprite = game_.getSprite(spriteId);
+            if (sprite.controllable) {
+              vec2i checkLoc = sprite.loc + (unitVecInDirection(sprite.dir) * MOVEMENT_SPEED);
+              CollisionResult collision = game_.getSystem<TransformSystem>().checkCollision(spriteId, checkLoc, sprite.dir);
+
+              // If there is a sprite to be interacted with, rotate that sprite so it is facing the player.
+              // Then, run its interaction script if present.
+              if (collision.horiz.colliderSprite != -1) {
+                game_.getSystem<AnimationSystem>().setSpriteDirection(collision.horiz.colliderSprite, oppositeDirection(sprite.dir));
+
+                Sprite& collider = game_.getSprite(collision.horiz.colliderSprite);
+                if (collider.interactionScript != "") {
+                  game_.getSystem<ScriptSystem>().runScript(collider.interactionScript);
+                }
+              } else if (collision.vert.colliderSprite != -1) {
+                game_.getSystem<AnimationSystem>().setSpriteDirection(collision.vert.colliderSprite, oppositeDirection(sprite.dir));
+
+                Sprite& collider = game_.getSprite(collision.vert.colliderSprite);
+                if (collider.interactionScript != "") {
+                  game_.getSystem<ScriptSystem>().runScript(collider.interactionScript);
+                }
+              }
+            }
+          }
+        }
       }
     } else if (e.type == SDL_KEYUP && (e.key.keysym.sym == SDLK_LSHIFT || e.key.keysym.sym == SDLK_RSHIFT)) {
       for (int spriteId : game_.getSprites()) {
-- 
cgit 1.4.1