bring back zoom hack

src/game_api/game_api.cpp

@@ -1,6 +1,8 @@
 #include "game_api.hpp"
 
+#include "render_api.hpp"
 #include "search.hpp"
+#include "state.hpp"
 
 GameAPI* GameAPI::get()
 {
@@ -11,7 +13,8 @@ GameAPI* GameAPI::get()
 
 float GameAPI::get_current_zoom()
 {
-    return renderer->current_zoom + renderer->current_zoom_offset;
+    auto state = State::get().ptr();
+    return renderer->current_zoom + get_layer_transition_zoom_offset(state->camera_layer);
 }
 
 float GameAPI::get_target_zoom()

src/game_api/render_api.cpp

@@ -64,6 +64,7 @@ void render_loading(size_t param_1)
 }
 
 std::optional<TEXTURE> g_forced_lut_textures[2]{};
+float g_layer_zoom_offset[2];
 
 using RenderLayer = void(const std::vector<Illumination*>&, uint8_t, const Camera&, const char**, const char**);
 RenderLayer* g_render_layer_trampoline{nullptr};
@@ -72,6 +73,9 @@ void render_layer(const std::vector<Illumination*>& lightsources, uint8_t layer,
     if (trigger_vanilla_render_layer_callbacks(ON::RENDER_PRE_LAYER, layer))
         return;
 
+    auto game_api = GameAPI::get();
+    g_layer_zoom_offset[layer] = game_api->renderer->current_zoom_offset;
+
     // The lhs and rhs LUTs are blended in the shader, but we don't know where that value is CPU side so we can only override
     // with a single LUT for now
     if (g_forced_lut_textures[layer])
@@ -106,6 +110,11 @@ void render_game(StateMemory* state)
     trigger_vanilla_render_callbacks(ON::RENDER_POST_GAME);
 }
 
+float get_layer_transition_zoom_offset(uint8_t l)
+{
+    return g_layer_zoom_offset[l];
+}
+
 void RenderAPI::set_lut(TEXTURE texture_id, uint8_t layer)
 {
     g_forced_lut_textures[layer] = texture_id;

src/game_api/render_api.hpp

@@ -365,6 +365,7 @@ void init_render_api_hooks();
 bool& get_journal_enabled();
 void on_open_journal_chapter(JournalUI* journal_ui, uint8_t chapter, bool instant, bool play_sound);
 void render_draw_depth(Layer* layer, uint8_t draw_depth, float bbox_left, float bbox_bottom, float bbox_right, float bbox_top);
+float get_layer_transition_zoom_offset(uint8_t layer);
 
 struct HudInventory
 {