From 9627989304c56e7cc646bb85299242e018352c60 Mon Sep 17 00:00:00 2001
From: 8dcc <8dcc.git@gmail.com>
Date: Mon, 24 Jul 2023 17:03:22 +0200
Subject: [PATCH] Add chams code

No custom colors yet
---
 src/features/chams.c    | 48 +++++++++++++++++++++++++++++++++++++++++
 src/features/features.h |  3 +++
 src/hooks.c             |  5 ++---
 3 files changed, 53 insertions(+), 3 deletions(-)
 create mode 100644 src/features/chams.c

diff --git a/src/features/chams.c b/src/features/chams.c
new file mode 100644
index 0000000..dea6afd
--- /dev/null
+++ b/src/features/chams.c
@@ -0,0 +1,48 @@
+
+#include "features.h"
+#include "../include/globals.h"
+#include "../include/cvars.h"
+#include "../include/util.h"
+
+#include <GL/gl.h>
+
+enum visible_flags {
+    NONE        = 0,
+    VISIBLE     = 1,
+    NOT_VISIBLE = 2,
+    /* TODO: HANDS */
+};
+
+static visible_flags visible_mode;
+
+bool chams(void* this_ptr) {
+    if (!CVAR_ON(chams))
+        return false;
+
+    cl_entity_t* ent = i_enginestudio->GetCurrentEntity();
+
+    if (ent->index == localplayer->index) {
+        /* TODO: Hand chams (set var, check in gl hook, return true) */
+        return false;
+    } else if (!valid_client(ent) || !is_alive(ent)) {
+        return false;
+    }
+
+    /* If we got here it means we are rendering a valid player */
+    glDisable(GL_TEXTURE_2D);
+
+    glDisable(GL_DEPTH_TEST); /* Ignore depth (walls between target) */
+    visible_mode = NOT_VISIBLE;
+    i_studiomodelrenderer->StudioRenderFinal(this_ptr);
+
+    glEnable(GL_DEPTH_TEST); /* Don't ignore depth, different color chams */
+    visible_mode = VISIBLE;
+    i_studiomodelrenderer->StudioRenderFinal(this_ptr);
+
+    /* Reset for future calls to glColor4f (from here or somewhere else) */
+    visible_mode = NONE;
+    glEnable(GL_TEXTURE_2D);
+
+    /* StudioRenderModel hook doesn't need to call original */
+    return true;
+}
diff --git a/src/features/features.h b/src/features/features.h
index e4ce1fb..ff11684 100644
--- a/src/features/features.h
+++ b/src/features/features.h
@@ -11,4 +11,7 @@ void bhop(usercmd_t* cmd);
 void esp(void);
 void correct_movement(usercmd_t* cmd, vec3_t old_angles);
 
+/* src/features/chams.c */
+bool chams(void* this_ptr);
+
 #endif /* FEATURES_H_ */
diff --git a/src/hooks.c b/src/hooks.c
index 3d0fb8c..03cf4a4 100644
--- a/src/hooks.c
+++ b/src/hooks.c
@@ -55,7 +55,6 @@ int h_HUD_Redraw(float time, int intermission) {
 }
 
 void h_StudioRenderModel(void* this_ptr) {
-    ORIGINAL(StudioRenderModel, this_ptr);
-
-    printf("Hi from StudioRenderModel!\n");
+    if (!chams(this_ptr))
+        ORIGINAL(StudioRenderModel, this_ptr);
 }