From b7cfd80b147715baaced428bd6fce5b01d1b492f Mon Sep 17 00:00:00 2001
From: water111 <48171810+water111@users.noreply.github.com>
Date: Sat, 18 Feb 2023 15:45:13 -0500
Subject: [PATCH] set up fog for jak 2 (#2223)

![image](https://user-images.githubusercontent.com/48171810/219878142-8ad7c154-9f52-4ad8-a315-1c932e24cd4b.png)
---
 game/graphics/opengl_renderer/OpenGLRenderer.cpp  | 1 +
 game/graphics/opengl_renderer/VisDataHandler.cpp  | 6 +++---
 goal_src/jak2/engine/gfx/background/background.gc | 8 ++++----
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/game/graphics/opengl_renderer/OpenGLRenderer.cpp b/game/graphics/opengl_renderer/OpenGLRenderer.cpp
index fd5906be09..389a910e60 100644
--- a/game/graphics/opengl_renderer/OpenGLRenderer.cpp
+++ b/game/graphics/opengl_renderer/OpenGLRenderer.cpp
@@ -1011,6 +1011,7 @@ void OpenGLRenderer::dispatch_buckets_jak2(DmaFollower dma,
 
   // TODO ending data.
 }
+
 /*!
  * This function finds buckets and dispatches them to the appropriate part.
  */
diff --git a/game/graphics/opengl_renderer/VisDataHandler.cpp b/game/graphics/opengl_renderer/VisDataHandler.cpp
index 146d0e51df..87743f3b37 100644
--- a/game/graphics/opengl_renderer/VisDataHandler.cpp
+++ b/game/graphics/opengl_renderer/VisDataHandler.cpp
@@ -52,7 +52,8 @@ void VisDataHandler::render(DmaFollower& dma,
 
   for (int i = 0; i < render_state->num_vis_to_copy; i++) {
     auto vis_data = dma.read_and_advance();
-    ASSERT(vis_data.vif0() == 0);
+    u32 vif0 = vis_data.vif0();
+    memcpy(render_state->fog_color.data(), &vif0, 4);
     if (vis_data.vifcode1().kind != VifCode::Kind::PC_PORT) {
       break;
     }
@@ -75,8 +76,7 @@ void VisDataHandler::render(DmaFollower& dma,
   }
 
   while (dma.current_tag_offset() != render_state->next_bucket) {
-    auto x = dma.read_and_advance();
-    fmt::print("{} {}\n", x.vifcode0().print(), x.vifcode1().print());
+    dma.read_and_advance();
     ASSERT(false);
   }
 }
diff --git a/goal_src/jak2/engine/gfx/background/background.gc b/goal_src/jak2/engine/gfx/background/background.gc
index 9e99aa7702..dfc9048576 100644
--- a/goal_src/jak2/engine/gfx/background/background.gc
+++ b/goal_src/jak2/engine/gfx/background/background.gc
@@ -240,7 +240,7 @@
          ;; the level is active.
          (let ((packet (the-as dma-packet (-> dma-buf base))))
            (set! (-> packet dma) (new 'static 'dma-tag :id (dma-tag-id cnt) :qwc 128))
-           (set! (-> packet vif0) (new 'static 'vif-tag))
+           (set! (-> packet vif0) (the-as vif-tag *fog-color*))
            (set! (-> packet vif1) (new 'static 'vif-tag :cmd (vif-cmd pc-port)))
            (set! (-> dma-buf base) (the pointer (&+ packet 16)))
            )
@@ -250,7 +250,7 @@
         (else
           (let ((packet (the-as dma-packet (-> dma-buf base))))
             (set! (-> packet dma) (new 'static 'dma-tag :id (dma-tag-id cnt) :qwc 1))
-            (set! (-> packet vif0) (new 'static 'vif-tag))
+            (set! (-> packet vif0) (the-as vif-tag *fog-color*))
             (set! (-> packet vif1) (new 'static 'vif-tag :cmd (vif-cmd pc-port)))
             (set! (-> dma-buf base) (the pointer (&+ packet 16)))
             )
@@ -268,14 +268,14 @@
           (set! (-> dma-buf base) (&+ (the-as pointer v1-38) 16))
           )
         (dma-bucket-insert-tag (-> *display* frames (-> *display* on-screen) bucket-group)
-                                                     (bucket-id bucket-2)
+                               (bucket-id bucket-2)
                                dma-start
                                (the-as (pointer dma-tag) a3-3)
                                )
         )
-
       )
     )
+  (the-as pointer 0)
   )
 
 (defun finish-background ()