98 lines
2.3 KiB
C++
98 lines
2.3 KiB
C++
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#include "sfall_opcodes.h"
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#include "art.h"
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#include "interface.h"
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#include "interpreter.h"
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#include "mouse.h"
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#include "svga.h"
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namespace fallout {
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// active_hand
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static void opGetCurrentHand(Program* program)
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{
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programStackPushInteger(program, interfaceGetCurrentHand());
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}
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// get_mouse_x
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static void opGetMouseX(Program* program)
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{
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int x;
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int y;
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mouseGetPosition(&x, &y);
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programStackPushInteger(program, x);
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}
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// get_mouse_y
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static void opGetMouseY(Program* program)
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{
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int x;
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int y;
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mouseGetPosition(&x, &y);
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programStackPushInteger(program, y);
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}
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// get_screen_width
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static void opGetScreenWidth(Program* program)
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{
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programStackPushInteger(program, screenGetWidth());
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}
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// get_screen_height
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static void opGetScreenHeight(Program* program)
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{
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programStackPushInteger(program, screenGetHeight());
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}
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// atoi
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static void opParseInt(Program* program)
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{
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const char* string = programStackPopString(program);
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programStackPushInteger(program, static_cast<int>(strtol(string, nullptr, 0)));
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}
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// strlen
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static void opGetStringLength(Program* program)
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{
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const char* string = programStackPopString(program);
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programStackPushInteger(program, static_cast<int>(strlen(string)));
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}
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// round
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static void opRound(Program* program)
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{
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float floatValue = programStackPopFloat(program);
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int integerValue = static_cast<int>(floatValue);
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float mod = floatValue - static_cast<float>(integerValue);
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if (abs(mod) >= 0.5) {
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integerValue += mod > 0.0 ? 1 : -1;
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}
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programStackPushInteger(program, integerValue);
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}
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// art_exists
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static void opArtExists(Program* program)
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{
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int fid = programStackPopInteger(program);
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programStackPushInteger(program, artExists(fid));
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}
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void sfallOpcodesInit()
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{
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interpreterRegisterOpcode(0x8193, opGetCurrentHand);
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interpreterRegisterOpcode(0x821C, opGetMouseX);
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interpreterRegisterOpcode(0x821D, opGetMouseY);
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interpreterRegisterOpcode(0x8220, opGetScreenWidth);
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interpreterRegisterOpcode(0x8221, opGetScreenHeight);
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interpreterRegisterOpcode(0x8237, opParseInt);
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interpreterRegisterOpcode(0x824F, opGetStringLength);
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interpreterRegisterOpcode(0x8267, opRound);
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interpreterRegisterOpcode(0x8274, opArtExists);
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}
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void sfallOpcodesExit()
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{
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}
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} // namespace fallout
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