output: add reflections

Resolves #154.

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## [Unreleased](https://github.com/LostArtefacts/TR1X/compare/stable...develop) - ××××-××-××
 - added `/exit` command (#1462)
+- added reflections for save crystals and Midas Hand special animation (#154)
 - fixed `/play`, `/load`, `/demo` and similar commands not working in stats, credits, cinematics and fmvs (#1477)
 - fixed console commands being able to interfere with demos, cutscenes and the title screen (#1489, regression from 3.0)
 - fixed reopening the compass not resetting its needle (#1472, regression from 4.0)

data/ship/cfg/TR1X_gameflow.json5

@@ -611,6 +611,7 @@
         "DETAIL_FPS": "FPS",
         "DETAIL_PERSPECTIVE": "Perspective",
         "DETAIL_PRETTY_PIXELS": "Pretty pixels",
+        "DETAIL_REFLECTIONS": "Reflections",
         "DETAIL_BILINEAR": "Bilinear",
         "DETAIL_TEXTURE_FILTER": "Texture filter",
         "DETAIL_FBO_FILTER": "FBO filter",

data/ship/cfg/TR1X_gameflow_demo_pc.json5

@@ -107,6 +107,7 @@
         "DETAIL_FPS": "FPS",
         "DETAIL_PERSPECTIVE": "Perspective",
         "DETAIL_PRETTY_PIXELS": "Pretty pixels",
+        "DETAIL_REFLECTIONS": "Reflections",
         "DETAIL_BILINEAR": "Bilinear",
         "DETAIL_TEXTURE_FILTER": "Texture filter",
         "DETAIL_FBO_FILTER": "FBO filter",

data/ship/cfg/TR1X_gameflow_ub.json5

@@ -179,6 +179,7 @@
         "DETAIL_FPS": "FPS",
         "DETAIL_PERSPECTIVE": "Perspective",
         "DETAIL_PRETTY_PIXELS": "Pretty pixels",
+        "DETAIL_REFLECTIONS": "Reflections",
         "DETAIL_BILINEAR": "Bilinear",
         "DETAIL_TEXTURE_FILTER": "Texture filter",
         "DETAIL_FBO_FILTER": "FBO filter",

src/config.h

@@ -118,6 +118,7 @@ typedef struct {
         float anisotropy_filter;
         int32_t turbo_speed;
         bool pretty_pixels;
+        bool enable_reflections;
     } rendering;
 
     struct {

src/config_map.def

@@ -97,6 +97,7 @@ CFG_DOUBLE(g_Config, rendering.wireframe_width, 2.5)
 CFG_BOOL(g_Config, rendering.enable_perspective_filter, true)
 CFG_BOOL(g_Config, rendering.enable_vsync, true)
 CFG_BOOL(g_Config, rendering.pretty_pixels, true)
+CFG_BOOL(g_Config, rendering.enable_reflections, true)
 CFG_INT32(g_Config, music_volume, 8)
 CFG_INT32(g_Config, sound_volume, 8)
 CFG_INT32(g_Config, input.layout, 0)

src/game/game/game_draw.c

@@ -1,7 +1,9 @@
 #include "game/game.h"
 
+#include "config.h"
 #include "game/camera.h"
 #include "game/interpolation.h"
+#include "game/lara/lara_draw.h"
 #include "game/lara/lara_hair.h"
 #include "game/output.h"
 #include "game/overlay.h"
@@ -20,11 +22,19 @@ void Game_DrawScene(bool draw_overlay)
 
     if (g_Objects[O_LARA].loaded) {
         Room_DrawAllRooms(g_Camera.interp.room_num, g_Camera.target.room_num);
-        if (draw_overlay) {
-            Overlay_DrawGameInfo();
+
+        if (g_Config.rendering.enable_reflections) {
+            Output_FillEnvironmentMap();
+        }
+
+        if (g_RoomInfo[g_LaraItem->room_num].flags & RF_UNDERWATER) {
+            Output_SetupBelowWater(g_Camera.underwater);
         } else {
-            Overlay_HideGameInfo();
+            Output_SetupAboveWater(g_Camera.underwater);
         }
+
+        Lara_Draw(g_LaraItem);
+
     } else {
         // cinematic scene
         for (int i = 0; i < g_RoomsToDrawCount; i++) {

src/game/game_string.def

@@ -24,6 +24,7 @@ GS_DEFINE(DETAIL_LEVEL_LOW, "Low")
 GS_DEFINE(DETAIL_FPS, "FPS")
 GS_DEFINE(DETAIL_PERSPECTIVE, "Perspective")
 GS_DEFINE(DETAIL_PRETTY_PIXELS, "Pretty pixels")
+GS_DEFINE(DETAIL_REFLECTIONS, "Reflections")
 GS_DEFINE(DETAIL_BILINEAR, "Bilinear")
 GS_DEFINE(DETAIL_TEXTURE_FILTER, "Texture filter")
 GS_DEFINE(DETAIL_FBO_FILTER, "FBO filter")

src/game/lara/lara_state.c

@@ -5,6 +5,7 @@
 #include "game/items.h"
 #include "game/lara.h"
 #include "game/lara/lara_look.h"
+#include "game/objects/common.h"
 #include "game/objects/effects/twinkle.h"
 #include "game/room.h"
 #include "game/sound.h"
@@ -678,6 +679,8 @@ void Lara_State_DieMidas(ITEM_INFO *item, COLL_INFO *coll)
     coll->enable_spaz = 0;
     coll->enable_baddie_push = 0;
 
+    Object_SetReflective(O_LARA_EXTRA, true);
+
     int frm = item->frame_num - g_Anims[item->anim_num].frame_base;
     switch (frm) {
     case 5:
@@ -745,6 +748,7 @@ void Lara_State_DieMidas(ITEM_INFO *item, COLL_INFO *coll)
         break;
 
     case 225:
+        Object_SetReflective(O_HAIR, true);
         g_Lara.mesh_effects |= (1 << LM_HEAD);
         Lara_SwapSingleMesh(LM_HEAD, O_LARA_EXTRA);
         break;

src/game/objects/common.c

@@ -632,3 +632,65 @@ void Object_DrawUnclippedItem(ITEM_INFO *item)
     g_PhdRight = right;
     g_PhdBottom = bottom;
 }
+
+void Object_SetMeshReflective(
+    const GAME_OBJECT_ID object_id, const int32_t mesh_idx, const bool enabled)
+{
+    const OBJECT_INFO *const object = &g_Objects[object_id];
+    if (!object->loaded) {
+        return;
+    }
+    int16_t *obj_ptr = g_Meshes[object->mesh_index + mesh_idx];
+
+    TOGGLE_REFLECTION_ENABLED(obj_ptr[0], enabled);
+
+    obj_ptr += 5;
+    int32_t vertex_count = *obj_ptr++;
+    obj_ptr += vertex_count * 3;
+    vertex_count = *obj_ptr++;
+    if (vertex_count > 0) {
+        obj_ptr += vertex_count * 3;
+    } else {
+        obj_ptr += vertex_count;
+    }
+
+    // textured quads
+    int32_t num = *obj_ptr++;
+    for (int32_t i = 0; i < num; i++) {
+        // skip vertices
+        obj_ptr += 4;
+        TOGGLE_REFLECTION_ENABLED(*obj_ptr++, enabled);
+    }
+
+    // textured triangles
+    num = *obj_ptr++;
+    for (int32_t i = 0; i < num; i++) {
+        // skip vertices
+        obj_ptr += 3;
+        TOGGLE_REFLECTION_ENABLED(*obj_ptr++, enabled);
+    }
+
+    // color quads
+    num = *obj_ptr++;
+    for (int32_t i = 0; i < num; i++) {
+        // skip vertices
+        obj_ptr += 4;
+        TOGGLE_REFLECTION_ENABLED(*obj_ptr++, enabled);
+    }
+
+    // color triangles
+    num = *obj_ptr++;
+    for (int32_t i = 0; i < num; i++) {
+        // skip vertices
+        obj_ptr += 3;
+        TOGGLE_REFLECTION_ENABLED(*obj_ptr++, enabled);
+    }
+}
+
+void Object_SetReflective(const GAME_OBJECT_ID object_id, const bool enabled)
+{
+    const OBJECT_INFO *const object = &g_Objects[object_id];
+    for (int32_t i = 0; i < object->nmeshes; i++) {
+        Object_SetMeshReflective(object_id, i, enabled);
+    }
+}

src/game/objects/common.h

@@ -43,3 +43,6 @@ void Object_DrawSpriteItem(ITEM_INFO *item);
 void Object_DrawPickupItem(ITEM_INFO *item);
 void Object_DrawAnimatingItem(ITEM_INFO *item);
 void Object_DrawUnclippedItem(ITEM_INFO *item);
+void Object_SetMeshReflective(
+    GAME_OBJECT_ID object_id, int32_t mesh_idx, bool enabled);
+void Object_SetReflective(GAME_OBJECT_ID object_id, bool enabled);

src/game/objects/general/save_crystal.c

@@ -36,6 +36,7 @@ void SaveCrystal_Setup(OBJECT_INFO *obj)
         obj->save_flags = 1;
     }
     obj->bounds = SaveCrystal_Bounds;
+    Object_SetReflective(O_SAVEGAME_ITEM, true);
 }
 
 void SaveCrystal_Initialise(int16_t item_num)

src/game/option/option_graphics.c

@@ -50,9 +50,10 @@ typedef enum GRAPHICS_OPTION_NAME {
     OPTION_RESOLUTION,
     OPTION_PERSPECTIVE,
     OPTION_PRETTY_PIXELS,
+    OPTION_REFLECTIONS,
     OPTION_NUMBER_OF,
     OPTION_MIN = OPTION_FPS,
-    OPTION_MAX = OPTION_PRETTY_PIXELS,
+    OPTION_MAX = OPTION_REFLECTIONS,
 } GRAPHICS_OPTION_NAME;
 
 typedef struct GRAPHICS_OPTION_ROW {
@@ -85,6 +86,7 @@ static const GRAPHICS_OPTION_ROW m_GfxOptionRows[] = {
     { OPTION_RESOLUTION, GS_DETAIL_RESOLUTION, GS_DETAIL_RESOLUTION_FMT },
     { OPTION_PERSPECTIVE, GS_DETAIL_PERSPECTIVE, GS_MISC_ON },
     { OPTION_PRETTY_PIXELS, GS_DETAIL_PRETTY_PIXELS, GS_MISC_ON },
+    { OPTION_REFLECTIONS, GS_DETAIL_REFLECTIONS, GS_MISC_ON },
     // end
     { OPTION_NUMBER_OF, 0, 0 },
 };
@@ -302,6 +304,10 @@ static void Option_Graphics_UpdateArrows(
         m_HideArrowLeft = !g_Config.rendering.pretty_pixels;
         m_HideArrowRight = g_Config.rendering.pretty_pixels;
         break;
+    case OPTION_REFLECTIONS:
+        m_HideArrowLeft = !g_Config.rendering.enable_reflections;
+        m_HideArrowRight = g_Config.rendering.enable_reflections;
+        break;
 
     case OPTION_NUMBER_OF:
     default:
@@ -447,6 +453,12 @@ static void Option_Graphics_ChangeTextOption(
         break;
     }
 
+    case OPTION_REFLECTIONS: {
+        bool is_enabled = g_Config.rendering.enable_reflections;
+        Text_ChangeText(value_text, is_enabled ? GS(MISC_ON) : GS(MISC_OFF));
+        break;
+    }
+
     case OPTION_NUMBER_OF:
     default:
         break;
@@ -557,6 +569,13 @@ void Option_Graphics(INVENTORY_ITEM *inv_item)
             }
             break;
 
+        case OPTION_REFLECTIONS:
+            if (!g_Config.rendering.enable_reflections) {
+                g_Config.rendering.enable_reflections = true;
+                reset = OPTION_REFLECTIONS;
+            }
+            break;
+
         case OPTION_NUMBER_OF:
         default:
             break;
@@ -644,6 +663,13 @@ void Option_Graphics(INVENTORY_ITEM *inv_item)
             }
             break;
 
+        case OPTION_REFLECTIONS:
+            if (g_Config.rendering.enable_reflections) {
+                g_Config.rendering.enable_reflections = false;
+                reset = OPTION_REFLECTIONS;
+            }
+            break;
+
         case OPTION_NUMBER_OF:
         default:
             break;