From 897f6712a34aced9b048f67cccdf131bdd88f335 Mon Sep 17 00:00:00 2001
From: MysterD <myster@d>
Date: Tue, 17 May 2022 01:22:45 -0700
Subject: [PATCH] Reset hardcoded values on disconnect

---
 src/game/hardcoded.c            | 17 +++++++++++++++--
 src/game/hardcoded.h            |  2 ++
 src/game/rendering_graph_node.c | 18 +++++++++++-------
 src/pc/lua/smlua.c              |  2 ++
 4 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/src/game/hardcoded.c b/src/game/hardcoded.c
index 1e74a242..091a294b 100644
--- a/src/game/hardcoded.c
+++ b/src/game/hardcoded.c
@@ -37,7 +37,7 @@
  // Levels //
 ////////////
 
-struct LevelValues gLevelValues = {
+struct LevelValues gDefaultLevelValues = {
     .entryLevel = LEVEL_CASTLE_GROUNDS,
     .exitCastleLevel = LEVEL_CASTLE,
     .exitCastleArea = 1,
@@ -86,11 +86,13 @@ struct LevelValues gLevelValues = {
     },
 };
 
+struct LevelValues gLevelValues = { 0 };
+
   ///////////////
  // Behaviors //
 ///////////////
 
-struct BehaviorValues gBehaviorValues = {
+struct BehaviorValues gDefaultBehaviorValues = {
     .KoopaBobAgility     = 4.0f,
     .KoopaCatchupAgility = 8.0f,
     .KoopaThiAgility     = 6.0f,
@@ -218,3 +220,14 @@ struct BehaviorValues gBehaviorValues = {
         .PlatformLll2Trajectory    = (Trajectory*) lll_seg7_trajectory_07028660,
     },
 };
+
+struct BehaviorValues gBehaviorValues = { 0 };
+
+  ///////////////
+ // functions //
+///////////////
+
+void hardcoded_reset_default_values(void) {
+    gLevelValues = gDefaultLevelValues;
+    gBehaviorValues = gDefaultBehaviorValues;
+}
diff --git a/src/game/hardcoded.h b/src/game/hardcoded.h
index cca523b6..1b8be2d8 100644
--- a/src/game/hardcoded.h
+++ b/src/game/hardcoded.h
@@ -195,4 +195,6 @@ struct BehaviorValues {
 
 extern struct BehaviorValues gBehaviorValues;
 
+void hardcoded_reset_default_values(void);
+
 #endif
\ No newline at end of file
diff --git a/src/game/rendering_graph_node.c b/src/game/rendering_graph_node.c
index a7a8c7d9..2af9cf14 100644
--- a/src/game/rendering_graph_node.c
+++ b/src/game/rendering_graph_node.c
@@ -378,10 +378,10 @@ static void geo_process_ortho_projection(struct GraphNodeOrthoProjection *node)
     if (node->node.children != NULL) {
         Mtx *mtx = alloc_display_list(sizeof(*mtx));
         if (mtx == NULL) { return; }
-        f32 left = (gCurGraphNodeRoot->x - gCurGraphNodeRoot->width) / 2.0f * node->scale;
-        f32 right = (gCurGraphNodeRoot->x + gCurGraphNodeRoot->width) / 2.0f * node->scale;
-        f32 top = (gCurGraphNodeRoot->y - gCurGraphNodeRoot->height) / 2.0f * node->scale;
-        f32 bottom = (gCurGraphNodeRoot->y + gCurGraphNodeRoot->height) / 2.0f * node->scale;
+        f32 left   = ((gCurGraphNodeRoot->x - gCurGraphNodeRoot->width)  / 2.0f) * node->scale;
+        f32 right  = ((gCurGraphNodeRoot->x + gCurGraphNodeRoot->width)  / 2.0f) * node->scale;
+        f32 top    = ((gCurGraphNodeRoot->y - gCurGraphNodeRoot->height) / 2.0f) * node->scale;
+        f32 bottom = ((gCurGraphNodeRoot->y + gCurGraphNodeRoot->height) / 2.0f) * node->scale;
 
         guOrtho(mtx, left, right, bottom, top, -2.0f, 2.0f, 1.0f);
         gSPPerspNormalize(gDisplayListHead++, 0xFFFF);
@@ -404,10 +404,12 @@ static void geo_process_perspective(struct GraphNodePerspective *node) {
     Mtx *mtx = alloc_display_list(sizeof(*mtx));
     if (mtx == NULL) { return; }
 
+    f32 divisor = (f32) gCurGraphNodeRoot->height;
+    if (divisor == 0) { divisor = 1; }
 #ifdef VERSION_EU
-    f32 aspect = ((f32) gCurGraphNodeRoot->width / (f32) gCurGraphNodeRoot->height) * 1.1f;
+    f32 aspect = ((f32) gCurGraphNodeRoot->width / divisor) * 1.1f;
 #else
-    f32 aspect = (f32) gCurGraphNodeRoot->width / (f32) gCurGraphNodeRoot->height;
+    f32 aspect = (f32) gCurGraphNodeRoot->width / divisor;
 #endif
 
     guPerspective(mtx, &perspNorm, not_zero(node->prevFov, gOverrideFOV), aspect, not_zero(node->near, gOverrideNear), not_zero(node->far, gOverrideFar), 1.0f);
@@ -1066,7 +1068,9 @@ static s32 obj_is_in_view(struct GraphNodeObject *node, Mat4 matrix) {
     // Half of the fov in in-game angle units instead of degrees.
     s16 halfFov = (gCurGraphNodeCamFrustum->fov / 2.0f + 1.0f) * 32768.0f / 180.0f + 0.5f;
 
-    f32 hScreenEdge = -matrix[3][2] * sins(halfFov) / coss(halfFov);
+    f32 divisor = coss(halfFov);
+    if (divisor == 0) { divisor = 1; }
+    f32 hScreenEdge = -matrix[3][2] * sins(halfFov) / divisor;
     // -matrix[3][2] is the depth, which gets multiplied by tan(halfFov) to get
     // the amount of units between the center of the screen and the horizontal edge
     // given the distance from the object to the camera.
diff --git a/src/pc/lua/smlua.c b/src/pc/lua/smlua.c
index ed09391a..f91e0186 100644
--- a/src/pc/lua/smlua.c
+++ b/src/pc/lua/smlua.c
@@ -1,4 +1,5 @@
 #include "smlua.h"
+#include "game/hardcoded.h"
 #include "pc/mods/mods.h"
 #include "pc/mods/mods_utils.h"
 #include "pc/crash_handler.h"
@@ -178,6 +179,7 @@ void smlua_update(void) {
 }
 
 void smlua_shutdown(void) {
+    hardcoded_reset_default_values();
     smlua_text_utils_reset_all();
     smlua_audio_utils_reset_all();
     audio_custom_shutdown();