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sm64
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sm64/enhancements/mem_error_screen.patch

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diff --git a/Makefile b/Makefile
index f50b7622..124c7ec6 100644
--- a/Makefile
+++ b/Makefile
@@ -478,6 +478,7 @@ $(BUILD_DIR)/include/text_strings.h: $(BUILD_DIR)/include/text_menu_strings.h
$(BUILD_DIR)/src/menu/file_select.o: $(BUILD_DIR)/include/text_strings.h
$(BUILD_DIR)/src/menu/star_select.o: $(BUILD_DIR)/include/text_strings.h
$(BUILD_DIR)/src/game/ingame_menu.o: $(BUILD_DIR)/include/text_strings.h
+$(BUILD_DIR)/src/game/mem_error_screen.o: $(BUILD_DIR)/include/text_strings.h
#==============================================================================#
diff --git a/include/segments.h b/include/segments.h
index a97d6ee8..186c968e 100644
--- a/include/segments.h
+++ b/include/segments.h
@@ -3,6 +3,9 @@
#include "config.h"
+/* Use expansion pack RAM */
+#define USE_EXT_RAM 1
+
/*
* Memory addresses for segments. Ideally, this header file would not be
* needed, and the addresses would be defined in sm64.ld and linker-inserted
diff --git a/include/text_strings.h.in b/include/text_strings.h.in
index 749179b1..2f6f7a3c 100644
--- a/include/text_strings.h.in
+++ b/include/text_strings.h.in
@@ -25,6 +25,11 @@
#define TEXT_PAUSE _("PAUSE") // Pause text, Castle Courses
#define TEXT_HUD_CONGRATULATIONS _("CONGRATULATIONS") // Course Complete Text, Bowser Courses
+// Memory Expansion Error Screen
+#define TEXT_CONSOLE_8MB _("If you're using an N64 console, then you will need to buy an\nExpansion Pak to play this ROM hack.")
+#define TEXT_PJ64 _("If you are using PJ64 1.6, go to:\nOptions > Settings > Rom Settings Tab > Memory Size\nthen select 8 MB from the drop-down box.")
+#define TEXT_PJ64_2 _("If you are using PJ64 2.X, go to:\nOptions > Settings > Config: > Memory Size, select 8 MB")
+
#if defined(VERSION_JP) || defined(VERSION_SH) || defined(VERSION_CN)
/**
diff --git a/levels/entry.c b/levels/entry.c
index 17c773ed..677a5ae9 100644
--- a/levels/entry.c
+++ b/levels/entry.c
@@ -15,3 +15,12 @@ const LevelScript level_script_entry[] = {
EXECUTE(/*seg*/ 0x14, /*script*/ _introSegmentRomStart, /*scriptEnd*/ _introSegmentRomEnd, /*entry*/ level_intro_splash_screen),
JUMP(/*target*/ level_script_entry),
};
+
+const LevelScript level_script_entry_error_screen[] = {
+ INIT_LEVEL(),
+ SLEEP(/*frames*/ 2),
+ BLACKOUT(/*active*/ FALSE),
+ SET_REG(/*value*/ 0),
+ EXECUTE(/*seg*/ 0x14, /*script*/ _introSegmentRomStart, /*scriptEnd*/ _introSegmentRomEnd, /*entry*/ level_intro_entry_error_screen),
+ JUMP(/*target*/ level_script_entry_error_screen),
+};
diff --git a/levels/intro/geo.c b/levels/intro/geo.c
index 30a87806..6bf7b79a 100644
--- a/levels/intro/geo.c
+++ b/levels/intro/geo.c
@@ -15,6 +15,24 @@
#include "levels/intro/header.h"
+const GeoLayout intro_geo_error_screen[] = {
+ GEO_NODE_SCREEN_AREA(0, SCREEN_WIDTH/2, SCREEN_HEIGHT/2, SCREEN_WIDTH/2, SCREEN_HEIGHT/2),
+ GEO_OPEN_NODE(),
+ GEO_ZBUFFER(0),
+ GEO_OPEN_NODE(),
+ GEO_NODE_ORTHO(100),
+ GEO_OPEN_NODE(),
+ GEO_BACKGROUND_COLOR(0x0001),
+ GEO_CLOSE_NODE(),
+ GEO_CLOSE_NODE(),
+ GEO_ZBUFFER(0),
+ GEO_OPEN_NODE(),
+ GEO_ASM(0, geo18_display_error_message),
+ GEO_CLOSE_NODE(),
+ GEO_CLOSE_NODE(),
+ GEO_END(),
+};
+
// 0x0E0002D0
const GeoLayout intro_geo_0002D0[] = {
GEO_NODE_SCREEN_AREA(0, SCREEN_WIDTH/2, SCREEN_HEIGHT/2, SCREEN_WIDTH/2, SCREEN_HEIGHT/2),
diff --git a/levels/intro/header.h b/levels/intro/header.h
index 99277e86..04797cd7 100644
--- a/levels/intro/header.h
+++ b/levels/intro/header.h
@@ -26,4 +26,8 @@ extern const LevelScript script_intro_L3[];
extern const LevelScript script_intro_L4[];
extern const LevelScript script_intro_L5[];
+extern const GeoLayout intro_geo_error_screen[];
+extern const LevelScript level_intro_entry_error_screen[];
+extern Gfx *geo18_display_error_message(u32 run, UNUSED struct GraphNode *sp44, UNUSED u32 sp48);
+
#endif
diff --git a/levels/intro/script.c b/levels/intro/script.c
index 04b8fc4c..ca9058c4 100644
--- a/levels/intro/script.c
+++ b/levels/intro/script.c
@@ -18,6 +18,21 @@
#include "make_const_nonconst.h"
#include "levels/intro/header.h"
+const LevelScript level_intro_entry_error_screen[] = {
+ INIT_LEVEL(),
+ FIXED_LOAD(/*loadAddr*/ _goddardSegmentStart, /*romStart*/ _goddardSegmentRomStart, /*romEnd*/ _goddardSegmentRomEnd),
+ LOAD_MIO0(/*seg*/ 0x07, _intro_segment_7SegmentRomStart, _intro_segment_7SegmentRomEnd),
+ ALLOC_LEVEL_POOL(),
+
+ AREA(/*index*/ 1, intro_geo_error_screen),
+ END_AREA(),
+
+ FREE_LEVEL_POOL(),
+ LOAD_AREA(/*area*/ 1),
+ SLEEP(/*frames*/ 32767),
+ EXIT_AND_EXECUTE(/*seg*/ 0x14, _introSegmentRomStart, _introSegmentRomEnd, level_intro_entry_error_screen),
+};
+
const LevelScript level_intro_splash_screen[] = {
INIT_LEVEL(),
FIXED_LOAD(/*loadAddr*/ _goddardSegmentStart, /*romStart*/ _goddardSegmentRomStart, /*romEnd*/ _goddardSegmentRomEnd),
diff --git a/src/engine/level_script.h b/src/engine/level_script.h
index d41a91c8..7d047236 100644
--- a/src/engine/level_script.h
+++ b/src/engine/level_script.h
@@ -6,6 +6,7 @@
struct LevelCommand;
extern u8 level_script_entry[];
+extern u8 level_script_entry_error_screen[];
struct LevelCommand *level_script_execute(struct LevelCommand *cmd);
diff --git a/src/game/main.c b/src/game/main.c
index 1a9d9e7e..f4f7a9e5 100644
--- a/src/game/main.c
+++ b/src/game/main.c
@@ -11,6 +11,7 @@
#include "segments.h"
#include "main.h"
#include "rumble_init.h"
+#include "mem_error_screen.h"
// Message IDs
#define MESG_SP_COMPLETE 100
@@ -131,6 +132,10 @@ void alloc_pool(void) {
void *start = (void *) SEG_POOL_START;
void *end = (void *) SEG_POOL_END;
+ // Detect memory size
+ if (does_pool_end_lie_out_of_bounds(end))
+ end = (void *)SEG_POOL_END_4MB;
+
main_pool_init(start, end);
gEffectsMemoryPool = mem_pool_init(0x4000, MEMORY_POOL_LEFT);
}
@@ -336,7 +341,10 @@ void thread3_main(UNUSED void *arg) {
create_thread(&gSoundThread, 4, thread4_sound, NULL, gThread4Stack + 0x2000, 20);
osStartThread(&gSoundThread);
- create_thread(&gGameLoopThread, 5, thread5_game_loop, NULL, gThread5Stack + 0x2000, 10);
+ if (!gNotEnoughMemory)
+ create_thread(&gGameLoopThread, 5, thread5_game_loop, NULL, gThread5Stack + 0x2000, 10);
+ else
+ create_thread(&gGameLoopThread, 5, thread5_mem_error_message_loop, NULL, gThread5Stack + 0x2000, 10);
osStartThread(&gGameLoopThread);
while (TRUE) {
diff --git a/src/game/mem_error_screen.c b/src/game/mem_error_screen.c
new file mode 100644
index 00000000..f432927c
--- /dev/null
+++ b/src/game/mem_error_screen.c
@@ -0,0 +1,104 @@
+/* clang-format off */
+/*
+ * mem_error_screen.inc.c
+ *
+ * This enhancement should be used for ROM hacks that require the expansion pak.
+ *
+ */
+/* clang-format on */
+
+#include <types.h>
+#include "segments.h"
+#include "text_strings.h"
+#include "game_init.h"
+#include "main.h"
+#include "print.h"
+#include "ingame_menu.h"
+#include "segment2.h"
+#include "../engine/level_script.h"
+
+// Ensure that USE_EXT_RAM is defined.
+#ifndef USE_EXT_RAM
+#error You have to define USE_EXT_RAM in 'include/segments.h'
+#endif
+
+// Require 8 MB of RAM, even if the pool doesn't go into extended memory.
+// Change the '8' to whatever MB limit you want.
+// Note: only special emulators allow for RAM sizes above 8 MB.
+#define REQUIRED_MIN_MEM_SIZE 1048576 * 8
+
+u8 gNotEnoughMemory = FALSE;
+u8 gDelayForErrorMessage = 0;
+
+u8 does_pool_end_lie_out_of_bounds(void *end) {
+ u32 endPhy = ((u32) end) & 0x1FFFFFFF;
+ u32 memSize = *((u32 *) 0x80000318);
+
+ if (endPhy > memSize) {
+ gNotEnoughMemory = TRUE;
+ return TRUE;
+ } else {
+ if (memSize < REQUIRED_MIN_MEM_SIZE) {
+ gNotEnoughMemory = TRUE;
+ }
+ return FALSE;
+ }
+}
+
+// If you're using an N64 console, then you will need to buy an\nexpansion pak to play this ROM hack.
+u8 text_console_8mb[] = { TEXT_CONSOLE_8MB };
+
+// If you are using PJ64 1.6, go to: Options ► Settings ► Rom Settings Tab ► Memory Size then select 8
+// MB from the drop-down box.
+u8 text_pj64[] = { TEXT_PJ64 };
+
+// If you are using PJ64 2.X, go to: Options ► Settings ► Config: ► Memory Size, select 8 MB
+u8 text_pj64_2[] = { TEXT_PJ64_2 };
+
+Gfx *geo18_display_error_message(u32 run, UNUSED struct GraphNode *sp44, UNUSED u32 sp48) {
+ if (run) {
+ if (gDelayForErrorMessage > 0) {
+ // Draw color text title.
+ print_text(10, 210, "ERROR Need more memory");
+
+ // Init generic text rendering
+ create_dl_ortho_matrix();
+ gSPDisplayList(gDisplayListHead++,
+ dl_ia_text_begin); // Init rendering stuff for generic text
+
+ // Set text color to white
+ gDPSetEnvColor(gDisplayListHead++, 255, 255, 255, 255);
+
+ print_generic_string(8, 170, text_console_8mb);
+ print_generic_string(8, 120, text_pj64);
+ print_generic_string(8, 54, text_pj64_2);
+
+ // Cleanup
+ gSPDisplayList(gDisplayListHead++,
+ dl_ia_text_end); // Reset back to default render settings.
+ gSPPopMatrix(gDisplayListHead++, G_MTX_MODELVIEW);
+ } else {
+ gDelayForErrorMessage += 1;
+ }
+ }
+
+ return 0;
+}
+
+// Basic main loop for the error screen. Note that controllers are not enabled here.
+void thread5_mem_error_message_loop(UNUSED void *arg) {
+ struct LevelCommand *addr;
+
+ setup_game_memory();
+ set_vblank_handler(2, &gGameVblankHandler, &gGameVblankQueue, (OSMesg) 1);
+
+ addr = segmented_to_virtual(level_script_entry_error_screen);
+
+ render_init();
+
+ while (1) {
+ select_gfx_pool();
+ addr = level_script_execute(addr);
+ display_and_vsync();
+ }
+}
diff --git a/src/game/mem_error_screen.h b/src/game/mem_error_screen.h
new file mode 100644
index 00000000..9fbff34c
--- /dev/null
+++ b/src/game/mem_error_screen.h
@@ -0,0 +1,8 @@
+#ifndef MEM_ERROR_SCREEN_H
+#define MEM_ERROR_SCREEN_H
+
+extern u8 gNotEnoughMemory;
+void thread5_mem_error_message_loop(UNUSED void *arg);
+u8 does_pool_end_lie_out_of_bounds(void *end);
+
+#endif
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