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GUI: add option to add more systems

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tildearrow 2022-01-08 18:18:23 -05:00
parent e961cf79ca
commit c43cc0ae80
3 changed files with 53 additions and 4 deletions
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27
src/engine/engine.cpp
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@ -485,7 +485,12 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
if (ds.version>0x0a) {
String hz=reader.readString(3);
if (ds.customTempo) {
try {
ds.hz=std::stoi(hz);
} catch (std::exception& e) {
logW("invalid custom Hz!\n");
ds.hz=60;
}
}
}
// TODO
@ -1516,6 +1521,28 @@ void DivEngine::changeSystem(int index, DivSystem which) {
isBusy.unlock();
}
bool DivEngine::addSystem(DivSystem which) {
if (song.systemLen>32) {
lastError="cannot add more than 32 systems";
return false;
}
if (chans+getChannelCount(which)>DIV_MAX_CHANS) {
lastError="max number of total channels is 128";
return false;
}
quitDispatch();
isBusy.lock();
song.system[song.systemLen++]=which;
recalcChans();
isBusy.unlock();
initDispatch();
isBusy.lock();
renderSamples();
reset();
isBusy.unlock();
return true;
}
String DivEngine::getLastError() {
return lastError;
}

4
src/engine/engine.h
View file

@ -402,10 +402,10 @@ class DivEngine {
void changeSystem(int index, DivSystem which);
// add system
void addSystem(DivSystem which);
bool addSystem(DivSystem which);
// remove system
void removeSystem(int index);
bool removeSystem(int index);
// get last error
String getLastError();

24
src/gui/gui.cpp
View file

@ -2555,6 +2555,14 @@ void FurnaceGUI::processDrags(int dragX, int dragY) {
}
}
#define sysAddOption(x) \
if (ImGui::MenuItem(e->getSystemName(x))) { \
if (!e->addSystem(x)) { \
showError("cannot add system! ("+e->getLastError()+")"); \
} \
updateWindowTitle(); \
}
#define sysChangeOption(x) \
if (ImGui::MenuItem(e->getSystemName(x),NULL,e->song.system[0]==x)) { \
e->changeSystem(0,x); \
@ -2664,7 +2672,21 @@ bool FurnaceGUI::loop() {
openFileDialog(GUI_FILE_SAVE);
}
ImGui::Separator();
if (ImGui::BeginMenu("change platform...")) {
if (ImGui::BeginMenu("add platform...")) {
sysAddOption(DIV_SYSTEM_GENESIS);
sysAddOption(DIV_SYSTEM_GENESIS_EXT);
sysAddOption(DIV_SYSTEM_SMS);
sysAddOption(DIV_SYSTEM_GB);
sysAddOption(DIV_SYSTEM_PCE);
sysAddOption(DIV_SYSTEM_NES);
sysAddOption(DIV_SYSTEM_C64_8580);
sysAddOption(DIV_SYSTEM_C64_6581);
sysAddOption(DIV_SYSTEM_ARCADE);
sysAddOption(DIV_SYSTEM_YM2610);
sysAddOption(DIV_SYSTEM_YM2610_EXT);
ImGui::EndMenu();
}
if (ImGui::BeginMenu("change first platform...")) {
sysChangeOption(DIV_SYSTEM_GENESIS);
sysChangeOption(DIV_SYSTEM_GENESIS_EXT);
sysChangeOption(DIV_SYSTEM_SMS);