Interaction menu going well

7 files changed, 88 insertions, 9 deletions

diff --git a/src/entities/ron.c b/src/entities/ron.c
index bd32e6a..834c119 100644
--- a/src/entities/ron.c
+++ b/src/entities/ron.c
@@ -1,4 +1,5 @@
 #include "ron.h"
+#include "ui.h"
 
 void initRon(Entity* entity)
 {
@@ -14,3 +15,30 @@ void updateRon(Entity* entity, Game* game)
 {
   DrawModel(game->assets.models[RON_MODEL], entity->position, 1.0, WHITE);
 }
+
+InteractionCommand interactWithRon(Entity* entity, Game* game,
+                                   Selection selection)
+{
+  InteractionMenu* menu = &game->interactionMenu;
+
+  const InteractionItems items = {
+    "test 1",
+    "test 2",
+    "test 3",
+    "test 4",
+    "test 5",
+    "test 6",
+    "test 7",
+    "test 8",
+    "test 9"
+  };
+  
+  switch (selection)
+  {
+  case SELECTION_INTERACT:
+    setInteractionMenu(menu, items, 9);
+    return INTERACTION_SHOW_MENU;
+  default:
+    return INTERACTION_END;
+  }
+}
diff --git a/src/entities/ron.h b/src/entities/ron.h
index 10858c1..ed0dbd2 100644
--- a/src/entities/ron.h
+++ b/src/entities/ron.h
@@ -7,6 +7,8 @@
 
 void initRon(Entity* entity);
 void updateRon(Entity* entity, Game* game);
+InteractionCommand interactWithRon(Entity* entity, Game* game,
+                                   Selection selection);
 
 #endif
 
diff --git a/src/entity.c b/src/entity.c
index df14f34..ea9c66c 100644
--- a/src/entity.c
+++ b/src/entity.c
@@ -23,7 +23,7 @@ const EntityEntry entityEntries[ENTITY_COUNT] = {
   (EntityEntry){"Medical Trash", initMedicalTrash, updateMedicalTrash, NULL,
                 NULL, false, true},
   (EntityEntry){"John", initJohn, updateJohn, NULL, NULL, false, true},
-  (EntityEntry){"Ron", initRon, updateRon, NULL, NULL, false, true}
+  (EntityEntry){"Ron", initRon, updateRon, NULL, interactWithRon, false, true}
 };
 
 Entity createEntity(EntityId id, Vector3 position)
diff --git a/src/settings.c b/src/settings.c
index 81a5aba..6a4d76a 100644
--- a/src/settings.c
+++ b/src/settings.c
@@ -34,6 +34,7 @@ Settings defaultSettings()
     .interactionAlpha = (unsigned char)255.0 * 0.9,
     .interactionOutlineSize = 2.0,
     .interactionChatHeight = 300.0,
+    .interactionMenuWidth = 500.0,
     .mouseSpeed = 0.1,
     .forwardKey = KEY_W,
     .backwardKey = KEY_S,
diff --git a/src/settings.h b/src/settings.h
index 53972d3..188e447 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -54,6 +54,7 @@ typedef struct {
   unsigned char interactionAlpha;
   float interactionOutlineSize;
   float interactionChatHeight;
+  float interactionMenuWidth;
 
   // Controls.
   float mouseSpeed;
diff --git a/src/ui.c b/src/ui.c
index 707bb06..84a8f75 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -96,12 +96,11 @@ void updateInteractionChat(InteractionChat* chat, Game* game)
 
 void resizeInteractionMenu(InteractionMenu* menu, const Settings* settings)
 {
-  menu->rect = (Rectangle){
-    0.0,
-    0.0,
-    GetRenderWidth() - settings->mapPreviewWidth,
-    GetRenderHeight() - settings->interactionChatHeight
-  };
+  menu->rect.width = settings->interactionMenuWidth;
+  menu->rect.height = (INTERACTION_MENU_MAX + 4) * settings->interactionFontSize;
+  menu->rect.x = 0.0;
+  menu->rect.y = GetRenderHeight() - settings->interactionChatHeight -
+    menu->rect.height - settings->interactionOutlineSize;
 }
 
 void initInteractionMenu(InteractionMenu* menu, const Settings* settings)
@@ -112,12 +111,34 @@ void initInteractionMenu(InteractionMenu* menu, const Settings* settings)
   menu->entityId = ENTITY_NONE;
 }
 
+void setInteractionMenu(InteractionMenu* menu,
+                        const InteractionItems items,
+                        int itemCount)
+{
+  // Check for out of bounds.
+  if (itemCount > INTERACTION_MENU_MAX)
+  {
+    TraceLog(LOG_ERROR, "itemCount > INTERACTION_MENU_MAX");
+    return;
+  }
+
+  menu->itemCount = itemCount;
+  
+  for (int index = 0; index < itemCount; ++index)
+  {
+    strncpy(menu->items[index], items[index],
+            INTERACTION_LABEL_MAX * sizeof(char) - 1);
+  }
+}
+
 void resetInteractionMenu(InteractionMenu* menu)
 {
   for (int index = 0; index < INTERACTION_MENU_MAX; ++index)
   {
     memset(menu->items[index], 0, INTERACTION_LABEL_MAX * sizeof(char));
   }
+
+  menu->itemCount = 0;
 }
 
 void showInteractionMenu(InteractionMenu* menu)
@@ -142,6 +163,7 @@ void updateInteractionMenu(InteractionMenu* menu, Game* game)
   /*   return; */
   /* } */
 
+  // Draw background.
   Color background = DARKGRAY;
   background.a = game->settings.interactionAlpha;
   DrawRectangleRec(menu->rect, background);
@@ -151,4 +173,23 @@ void updateInteractionMenu(InteractionMenu* menu, Game* game)
   int fontSize = game->settings.interactionFontSize;
 
   DrawRectangleLinesEx(menu->rect, lineThickness, BLACK);
+
+  Vector2 position = (Vector2){menu->rect.x + border,
+                               menu->rect.y + border};
+
+  // Draw top information.
+  DrawText("Press a number key to select", position.x, position.y, fontSize,
+           WHITE);
+
+  position.y += fontSize + fontSize;
+  
+
+  // Draw items.
+  for (int index = 0; index < menu->itemCount; ++index)
+  {
+    DrawText(TextFormat("%d: ", index + 1), position.x, position.y, fontSize, WHITE);
+    DrawText(TextFormat("    %s", menu->items[index]), position.x, position.y,
+             fontSize, GREEN);
+    position.y += fontSize;
+  }
 }
diff --git a/src/ui.h b/src/ui.h
index 0b3c858..2c66eca 100644
--- a/src/ui.h
+++ b/src/ui.h
@@ -5,7 +5,9 @@
 #ifndef UI_H
 #define UI_H
 
-#define INTERACTION_CHAT_COLUMN_MAX 80
+#define INTERACTION_COLUMN_MAX 80
+
+typedef char InteractionItems[INTERACTION_MENU_MAX][INTERACTION_LABEL_MAX];
 
 typedef struct {
   char text[INTERACTION_CHAT_MAX];
@@ -15,7 +17,8 @@ typedef struct {
 } InteractionChat;
 
 typedef struct {
-  char items[INTERACTION_MENU_MAX][INTERACTION_LABEL_MAX];
+  InteractionItems items;
+  int itemCount;
   Rectangle rect;
   bool visible;
   EntityId entityId;
@@ -32,6 +35,9 @@ void updateInteractionChat(InteractionChat* chat, Game* game);
 
 // Interaction menu procedures.
 void initInteractionMenu(InteractionMenu* menu, const Settings* settings);
+void setInteractionMenu(InteractionMenu* menu,
+                        const InteractionItems items,
+                        int itemCount);
 void resetInteractionMenu(InteractionMenu* menu);
 void showInteractionMenu(InteractionMenu* menu);
 void hideInteractionMenu(InteractionMenu* menu);