add "scene" structure

Makefile

@@ -4,7 +4,8 @@ OPT = -O2
 
 MAKEFILE_PATH := $(patsubst %/,%,$(dir $(abspath $(firstword $(MAKEFILE_LIST)))))
 LIB ?= $(MAKEFILE_PATH)/dreamcast
-CFLAGS += -I$(MAKEFILE_PATH)
+CFLAGS += -I$(MAKEFILE_PATH)/
+CFLAGS += -I$(MAKEFILE_PATH)/src
 CFLAGS += -I$(MAKEFILE_PATH)/dreamcast
 CFLAGS += -Wno-error=strict-aliasing -fno-strict-aliasing
 CARCH = -m4-single -ml

src/graphics.cpp

@@ -25,25 +25,9 @@
 #include "font/tandy1k.data.h"
 
 #include "framebuffer.hpp"
-#include "src/scene/tracker/scene.hpp"
-
-constexpr uint32_t ta_alloc = 0
-                            | ta_alloc_ctrl::pt_opb::_32x4byte
-                            | ta_alloc_ctrl::tm_opb::no_list
-                            | ta_alloc_ctrl::t_opb::_8x4byte
-                            | ta_alloc_ctrl::om_opb::no_list
-                            | ta_alloc_ctrl::o_opb::_32x4byte;
-
-constexpr int ta_cont_count = 1;
-constexpr struct opb_size opb_size[ta_cont_count] = {
-  {
-    .opaque = 32 * 4,
-    .opaque_modifier = 0,
-    .translucent = 8 * 4,
-    .translucent_modifier = 0,
-    .punch_through = 32 * 4
-  }
-};
+#include "scene/scene.hpp"
+#include "scene/tracker/scene.hpp"
+#include "graphics.hpp"
 
 static volatile int ta_in_use = 0;
 static volatile int core_in_use = 0;
@@ -51,6 +35,12 @@ static volatile int next_frame = 0;
 static volatile int framebuffer_ix = 0;
 static volatile int next_frame_ix = 0;
 
+static const scene::scene scenes[] = {
+  scene::tracker::scene,
+};
+
+static const scene::scene * current_scene = &scenes[0];
+
 void graphics_interrupt(uint32_t istnrm)
 {
   if (istnrm & istnrm::v_blank_in) {
@@ -152,22 +142,25 @@ void graphics_init()
   background_parameter2(texture_memory_alloc.background[0].start,
                         0xff800080);
 
+  transfer_textures();
+  transfer_palettes();
+}
+
+void graphics_scene_init()
+{
   region_array_multipass(framebuffer.tile_width(),
                          framebuffer.tile_height(),
-                         opb_size,
+                         &current_scene->opb_size,
                          ta_cont_count,
                          texture_memory_alloc.region_array.start,
                          texture_memory_alloc.object_list.start);
-
-  transfer_textures();
-  transfer_palettes();
 }
 
 void graphics_event(ta_parameter_writer& writer)
 {
   writer.offset = 0;
 
-  tracker::scene::transfer(writer);
+  scene::tracker::transfer(writer);
 
   while (ta_in_use);
   while (core_in_use);
@@ -176,8 +169,8 @@ void graphics_event(ta_parameter_writer& writer)
                              texture_memory_alloc.isp_tsp_parameters.end,
                              texture_memory_alloc.object_list.start,
                              texture_memory_alloc.object_list.end,
-                             opb_size[0].total(),
-                             ta_alloc,
+                             current_scene->opb_size.total(),
+                             current_scene->ta_alloc,
                              framebuffer.tile_width(),
                              framebuffer.tile_height());
   ta_polygon_converter_writeback(writer.buf, writer.offset);

src/graphics.hpp

@@ -4,6 +4,9 @@
 
 #include "holly/ta_parameter.hpp"
 
+constexpr int ta_cont_count = 1;
+
 void graphics_interrupt(uint32_t istnrm);
 void graphics_init();
 void graphics_event(ta_parameter_writer& writer);
+void graphics_scene_init();

src/main.cpp

@@ -239,6 +239,7 @@ void main()
   const float aica_clock_multiplier = 44.1;
   load_xm(aica_clock_multiplier);
   graphics_init();
+  graphics_scene_init();
 
   test_pattern();
 

src/scene/scene.hpp

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "holly/region_array.hpp"
+
+namespace scene {
+
+struct scene {
+  const uint32_t ta_alloc;
+  const struct opb_size opb_size;
+  void (* const transfer)(ta_parameter_writer& writer);
+};
+
+}

src/scene/tracker/channel_status.cpp

@@ -22,8 +22,7 @@ static inline int round_up(int n, int m)
   return n + m - rem;
 }
 
-namespace tracker {
-  namespace channel_status {
+namespace scene::tracker::channel_status {
 
 void transfer(ta_parameter_writer& writer, int x, int y)
 {
@@ -100,4 +99,3 @@ void transfer(ta_parameter_writer& writer, int x, int y)
 }
 
 }
-}

src/scene/tracker/channel_status.hpp

@@ -2,8 +2,6 @@
 
 #include "holly/ta_parameter.hpp"
 
-namespace tracker {
-  namespace channel_status {
+namespace scene::tracker::channel_status {
   void transfer(ta_parameter_writer& writer, int x, int y);
 }
-}

src/scene/tracker/notes.cpp

@@ -172,8 +172,7 @@ static void transfer_line(ta_parameter_writer& writer, int line_index, int x, in
   }
 }
 
-namespace tracker {
-  namespace notes {
+namespace scene::tracker::notes {
 
 void borders(ta_parameter_writer& writer, int x, int y)
 {
@@ -250,4 +249,3 @@ void transfer_middle_line(ta_parameter_writer& writer, float x, float y)
 }
 
 }
-}

src/scene/tracker/notes.hpp

@@ -2,12 +2,10 @@
 
 #include "holly/ta_parameter.hpp"
 
-namespace tracker {
-  namespace notes {
+namespace scene::tracker::notes {
 
   void borders(ta_parameter_writer& writer, int x, int y);
   void transfer_lines(ta_parameter_writer& writer, int x, int y);
   void transfer_middle_line(ta_parameter_writer& writer, float x, float y);
 
 }
-}

src/scene/tracker/scene.cpp

@@ -1,10 +1,12 @@
-#include "../../ta_parameter.hpp"
+#include "holly/ta_bits.hpp"
+
+#include "ta_parameter.hpp"
 
 #include "notes.hpp"
 #include "channel_status.hpp"
+#include "scene/scene.hpp"
 
-namespace tracker {
-  namespace scene {
+namespace scene::tracker {
 
   void transfer(ta_parameter_writer& writer)
   {
@@ -44,7 +46,5 @@ void transfer(ta_parameter_writer& writer)
       writer.append<ta_global_parameter::end_of_list>() =
         ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
     }
-}
-
   }
 }

src/scene/tracker/scene.hpp

@@ -1,7 +1,22 @@
 #pragma once
 
-namespace tracker {
-  namespace scene {
+namespace scene::tracker {
+
   void transfer(ta_parameter_writer& writer);
-  }
+
+  struct scene::scene scene = {
+    .ta_alloc = ta_alloc_ctrl::pt_opb::_32x4byte
+              | ta_alloc_ctrl::tm_opb::no_list
+              | ta_alloc_ctrl::t_opb::_8x4byte
+              | ta_alloc_ctrl::om_opb::no_list
+              | ta_alloc_ctrl::o_opb::_32x4byte,
+    .opb_size = {
+      .opaque = 32 * 4,
+      .opaque_modifier = 0,
+      .translucent = 8 * 4,
+      .translucent_modifier = 0,
+      .punch_through = 32 * 4
+    },
+    .transfer = transfer,
+  };
 }