add DOZY cheat

LostArtefacts · Feb 21, 2021 · 9eb3f6a · 9eb3f6a
1 parent 32350ed
commit 9eb3f6a
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Showing 4 changed files with 63 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -50,6 +50,8 @@ Currently the following configuration options are supported:
 - `enable_cheats`: enables various cheats:
     - <kbd>F10</kbd>: immediately end the level.
     - <kbd>F11</kbd>: heal Lara. Hold <kbd>WALK</kbd> key to hurt instead.
+    - <kbd>O</kbd>: enable DOZY cheat (swimming midair). Press the
+      <kbd>WALK</kbd> key to exit.
 - `fix_end_of_level_freeze`: fix game freeze when ending the level with the
   Action key held.
 - `fix_tihocan_secret_sound`: disable the secret sound incorrectly playing

diff --git a/src/game/laramisc.c b/src/game/laramisc.c
@@ -19,6 +19,32 @@ void __cdecl LaraControl(int16_t item_num)
     ROOM_INFO* r = &RoomInfo[item->room_number];
     int32_t room_submerged = r->flags & RF_UNDERWATER;
 
+#ifdef TOMB1M_FEAT_CHEATS
+    if (Lara.water_status != LWS_CHEAT && (Input & IN_DOZYCHEAT)) {
+        if (Lara.water_status != LWS_UNDERWATER || item->hit_points <= 0) {
+            item->pos.y -= 0x80;
+            item->current_anim_state = AS_SWIM;
+            item->goal_anim_state = AS_SWIM;
+            item->anim_number = AA_SWIMGLIDE;
+            item->frame_number = Anims[item->anim_number].frame_base;
+            item->gravity_status = 0;
+            item->pos.x_rot = 30 * PHD_DEGREE;
+            item->fall_speed = 30;
+            Lara.head_x_rot = 0;
+            Lara.head_y_rot = 0;
+            Lara.torso_x_rot = 0;
+            Lara.torso_y_rot = 0;
+        }
+        Lara.water_status = LWS_CHEAT;
+        Lara.spaz_effect_count = 0;
+        Lara.spaz_effect = NULL;
+        Lara.hit_frames = 0;
+        Lara.hit_direction = -1;
+        Lara.air = LARA_AIR;
+        Lara.death_count = 0;
+    }
+#endif
+
     if (Lara.water_status == LWS_ABOVEWATER && room_submerged) {
         Lara.water_status = LWS_UNDERWATER;
         Lara.air = LARA_AIR;
@@ -138,6 +164,31 @@ void __cdecl LaraControl(int16_t item_num)
         }
         LaraSurface(item, &coll);
         break;
+
+#ifdef TOMB1M_FEAT_CHEATS
+    case LWS_CHEAT:
+        item->hit_points = LARA_HITPOINTS;
+        Lara.death_count = 0;
+        LaraUnderWater(item, &coll);
+        if ((Input & IN_SLOW) && !(Input & IN_LOOK)) {
+            int16_t wh = GetWaterHeight(
+                item->pos.x, item->pos.y, item->pos.z, item->room_number);
+            if (room_submerged || (wh != NO_HEIGHT && wh > 0)) {
+                Lara.water_status = LWS_UNDERWATER;
+            } else {
+                Lara.water_status = LWS_ABOVEWATER;
+                item->anim_number = AA_STOP;
+                item->frame_number = Anims[item->anim_number].frame_base;
+                item->pos.x_rot = item->pos.z_rot = 0;
+                Lara.head_x_rot = 0;
+                Lara.head_y_rot = 0;
+                Lara.torso_x_rot = 0;
+                Lara.torso_y_rot = 0;
+            }
+            Lara.gun_status = LGS_ARMLESS;
+        }
+        break;
+#endif
     }
 }
 
@@ -147,7 +198,7 @@ void __cdecl LaraSwapMeshExtra()
         return;
     }
     for (int i = 0; i < 15; i++) {
-        Lara.mesh_ptrs[i] = Meshes[(&Objects[O_LARA_EXTRA])->mesh_index + i];
+        Lara.mesh_ptrs[i] = Meshes[Objects[O_LARA_EXTRA].mesh_index + i];
     }
 }
 
@@ -355,7 +406,7 @@ void __cdecl InitialiseLara()
     Lara.hit_frames = 0;
     Lara.hit_direction = 0;
     Lara.death_count = 0;
-    Lara.target = 0;
+    Lara.target = NULL;
     Lara.spaz_effect = 0;
     Lara.spaz_effect_count = 0;
     Lara.turn_rate = 0;

diff --git a/src/game/types.h b/src/game/types.h
@@ -2,6 +2,7 @@
 #define TOMB1MAIN_GAME_TYPES_H
 
 #include "const.h"
+#include "util.h"
 #include <stdint.h>
 
 typedef int16_t PHD_ANGLE;
@@ -543,10 +544,14 @@ typedef enum {
     IN_SAVE = (1 << 22),
     IN_LOAD = (1 << 23),
     IN_ACTION_AUTO = (1 << 24),
+#ifdef TOMB1M_FEAT_CHEATS
+    IN_DOZYCHEAT = (1 << 25),
+#else
     IN_CHEAT = (1 << 25),
     IN_D = (1 << 26),
     IN_E = (1 << 27),
     IN_F = (1 << 28),
+#endif
 } INPUT_STATE;
 
 typedef enum {

diff --git a/src/specific/input.c b/src/specific/input.c
@@ -72,6 +72,9 @@ void __cdecl S_UpdateInput()
 
 #ifdef TOMB1M_FEAT_CHEATS
     if (Tomb1MConfig.enable_cheats) {
+        if (KeyData->keymap[DIK_O]) {
+            linput |= IN_DOZYCHEAT;
+        }
         if (KeyData->keymap[DIK_F10]) {
             LevelComplete = 1;
         }