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[VM] Quick and dirty implementation of window_msg, add_msg and winend.

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This commit is contained in:
jtuu 2019-10-11 12:49:20 +03:00
parent 4499009e5a
commit c7b27846c8
1 changed files with 40 additions and 0 deletions
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40
src/quest_editor/scripting/vm/index.ts
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@ -74,6 +74,9 @@ import {
OP_STACK_POPM, OP_STACK_POPM,
Param, Param,
Kind, Kind,
OP_WINDOW_MSG,
OP_ADD_MSG,
OP_WINEND,
} from "../opcodes"; } from "../opcodes";
import Logger from "js-logger"; import Logger from "js-logger";
import { ArrayBufferCursor } from "../../../core/data_formats/cursor/ArrayBufferCursor"; import { ArrayBufferCursor } from "../../../core/data_formats/cursor/ArrayBufferCursor";
@ -396,6 +399,7 @@ export class VirtualMachine {
private label_to_seg_idx: Map<number, number> = new Map(); private label_to_seg_idx: Map<number, number> = new Map();
private thread: Thread[] = []; private thread: Thread[] = [];
private thread_idx = 0; private thread_idx = 0;
private window_msg_open = false;
/** /**
* Halts and resets the VM, then loads new object code. * Halts and resets the VM, then loads new object code.
@ -748,6 +752,30 @@ export class VirtualMachine {
case OP_STACK_POPM.code: case OP_STACK_POPM.code:
this.pop_variable_stack(exec, arg0, arg1); this.pop_variable_stack(exec, arg0, arg1);
break; break;
case OP_WINDOW_MSG.code:
if (!this.window_msg_open) {
const args = exec.fetch_args(inst.opcode.params);
const str = this.deref_string(args[0]);
this.window_msg_open = true;
console.group("window_msg");
console.log(str);
}
break;
case OP_ADD_MSG.code:
if (this.window_msg_open) {
const args = exec.fetch_args(inst.opcode.params);
const str = this.deref_string(args[0]);
console.log(str);
}
break;
case OP_WINEND.code:
if (this.window_msg_open) {
this.window_msg_open = false;
console.groupEnd();
}
break;
default: default:
throw new Error(`Unsupported instruction: ${inst.opcode.mnemonic}.`); throw new Error(`Unsupported instruction: ${inst.opcode.mnemonic}.`);
} }
@ -992,6 +1020,18 @@ export class VirtualMachine {
private get_register_address(reg: number): number { private get_register_address(reg: number): number {
return this.registers.address + reg * REGISTER_SIZE; return this.registers.address + reg * REGISTER_SIZE;
} }
private deref_string(address: number): string {
const slot = this.memory.get(address);
let str: string = "";
if (slot !== undefined) {
str = slot.buffer.string_utf16_at(slot.byte_offset, Infinity, true);
}
return str;
}
} }
class ExecutionLocation { class ExecutionLocation {