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Add an option to (not) replace the mdata and ram directories #33

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Add an option to (not) replace the mdata and ram directories #33

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03b8d34
Add an option to (not) replace the mdata and ram directories
frknkrc44 Aug 19, 2025
595adb3
Move replace_mdata_ram_dir to patches, add option to config_template.bin
frknkrc44 Nov 6, 2025
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2 changes: 2 additions & 0 deletions source-code/data/plugins/config_template.bin
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Expand Up @@ -88,6 +88,8 @@ Card=0
Hardware_Slider=0
#Enable custom patches
Custom_Patches=1
#Replace mdata and ram directories
replace_mdata_ram_dir=1

[Graphics]
# Lag Compensation
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1 change: 1 addition & 0 deletions source-code/source/plugins/Launcher/framework.h
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Expand Up @@ -272,6 +272,7 @@ ConfigOptionBase* optionsArray[] = {
//new BooleanOption(L"ignore_exe_checksum", PATCHES_SECTION, CONFIG_FILE, L"Ignore exe checksum", L"Use at your own risk.", false, false),
new StringOption(L"command_line", LAUNCHER_SECTION, CONFIG_FILE, L"Command Line:", L"Allows setting command line parameters for the game when using the launcher.\nDisabling the launcher will bypass this.", L"", false),
new BooleanOption(L"use_divahook_bat", LAUNCHER_SECTION, CONFIG_FILE, L"Use divahook.bat/start.bat", L"Launches divahook.bat/start.bat intead of diva.exe.", false, false),
new BooleanOption(L"replace_mdata_ram_dir", PATCHES_SECTION, CONFIG_FILE, L"Replace mdata and ram directories", L"Sets the mdata directory to mdata/ and the ram directory to the game directory.\nDo not turn it off unless you're using the SegaTools.", true, false),
};

ConfigOptionBase* playerdataArray[] = {
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13 changes: 8 additions & 5 deletions source-code/source/plugins/Patches/PatchApplier600.h
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Expand Up @@ -17,11 +17,6 @@ class PatchApplier600 : public PatchApplier {
// Ignore the EngineClear variable to clear the framebuffer at all resolutions
{ (void*)0x00000001404E7470, { 0x90, 0x90 } },
{ (void*)0x00000001404E7505, { 0x90, 0x90 } },
// Write ram files to the current directory instead of Y : / SBZV / ram
{ (void*)0x0000000140648AE9, { 0xE9, 0xD8, 0x00 } },
// Change mdata path from "C:/Mount/Option" to "mdata/"
{ (void*)0x0000000140A51058, { 0x6D, 0x64, 0x61, 0x74, 0x61, 0x2F, 0x00 } },
{ (void*)0x0000000140648A8E, { 0x06 } },
// Skip parts of the network check state
{ (void*)0x000000014064D391, { 0xE9, 0x22, 0x03, 0x00 } },
// Set the initial DHCP WAIT timer value to 0
Expand Down Expand Up @@ -73,6 +68,14 @@ class PatchApplier600 : public PatchApplier {
InjectCode(patches_600[i].Address, patches_600[i].Data);


if (nReplaceMdataRamDir)
{
// Write ram files to the current directory instead of Y : / SBZV / ram
InjectCode((void*)0x0000000140648AE9, { 0xE9, 0xD8, 0x00 });
// Change mdata path from "C:/Mount/Option" to "mdata/"
InjectCode((void*)0x0000000140A51058, { 0x6D, 0x64, 0x61, 0x74, 0x61, 0x2F, 0x00 });
InjectCode((void*)0x0000000140648A8E, { 0x06 });
}

// The old stereo patch...
// Use 2 channels instead of 4
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15 changes: 9 additions & 6 deletions source-code/source/plugins/Patches/PatchApplier710.h
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Expand Up @@ -17,11 +17,6 @@ class PatchApplier710 : public PatchApplier {
// Ignore the EngineClear variable to clear the framebuffer at all resolutions
{ (void*)0x0000000140501480, { 0x90, 0x90 } },
{ (void*)0x0000000140501515, { 0x90, 0x90 } },
// Write ram files to the current directory instead of Y : / SBZV / ram
{ (void*)0x000000014066CF09, { 0xE9, 0xD8, 0x00 } },
// Change mdata path from "C:/Mount/Option" to "mdata/"
{ (void*)0x0000000140A8CA18, { 0x6D, 0x64, 0x61, 0x74, 0x61, 0x2F, 0x00 } },
{ (void*)0x000000014066CEAE, { 0x06 } },
// Skip parts of the network check state
{ (void*)0x00000001406717B1, { 0xE9, 0x22, 0x03, 0x00 } },
// Set the initial DHCP WAIT timer value to 0
Expand Down Expand Up @@ -74,7 +69,15 @@ class PatchApplier710 : public PatchApplier {
for (size_t i = 0; i < _countof(patches_710); i++)
InjectCode(patches_710[i].Address, patches_710[i].Data);



if (nReplaceMdataRamDir)
{
// Write ram files to the current directory instead of Y : / SBZV / ram
InjectCode((void*)0x000000014066CF09, { 0xE9, 0xD8, 0x00 });
// Change mdata path from "C:/Mount/Option" to "mdata/"
InjectCode((void*)0x0000000140A8CA18, { 0x6D, 0x64, 0x61, 0x74, 0x61, 0x2F, 0x00 });
InjectCode((void*)0x000000014066CEAE, { 0x06 });
}

// The old stereo patch...
// Use 2 channels instead of 4
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3 changes: 2 additions & 1 deletion source-code/source/plugins/Patches/framework.h
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Expand Up @@ -146,4 +146,5 @@ auto nRefractResHeight = GetPrivateProfileIntW(L"graphics", L"refract_res_height
auto nShadowResWidth = GetPrivateProfileIntW(L"graphics", L"shadow_res_width", 2048, CONFIG_FILE);
auto nShadowResHeight = GetPrivateProfileIntW(L"graphics", L"shadow_res_height", 2048, CONFIG_FILE);
auto nLagCompensation = GetPrivateProfileIntW(L"graphics", L"lag_compensation", 0, CONFIG_FILE);
auto nUseDivahookBat = GetPrivateProfileIntW(L"launcher", L"use_divahook_bat", FALSE, CONFIG_FILE);
auto nUseDivahookBat = GetPrivateProfileIntW(L"launcher", L"use_divahook_bat", FALSE, CONFIG_FILE);
auto nReplaceMdataRamDir = GetPrivateProfileIntW(L"patches", L"replace_mdata_ram_dir", TRUE, CONFIG_FILE);